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This weekend the night sky will showcase a blue micromoon – a rare alignment of a second full moon in a calendar month and a moon at its most distant point from Earth.Understanding the Dual Phenomenon: Blue Moon Meets MicromoonA "monthly blue moon" occurs when a second full moon appears in the same calendar month, as explained by Dr Greg Brown of the Royal Observatory Greenwich. A micromoon happens when the full moon coincides with the moon’s apogee, making it appear roughly 6% smaller than a typical full moon and about 14% smaller than a supermoon.Numbers Behind the Rarity: Frequency and Size DifferencesBlue moons: roughly every 2‑3 years.Micromoons: 2‑3 times per year.Combined blue micromoon: about once every 20‑30 years.Size reduction: ~6% smaller than average full moon, ~14% smaller than a supermoon.Why Stargazers Should Take Note: Visibility and Cultural ContextThe full moon peaks on 31 May at 9.45am BST (4.45am ET, 6.45pm AEST). For observers in the UK the moon will have set, but it remains visible throughout the night on Saturday and Sunday, appearing lower in the northern hemisphere sky and higher in the southern hemisphere. The event also revives the “once in a blue moon” expression, though the phrase likely stems from the rarer blue‑tinged moon caused by atmospheric particles.Looking Ahead: When the Next Blue Micromoon Might AppearAccording to Brown, the next UK blue micromoon is projected for 2066, while parts of the US may see one as early as 2053. Until then, enthusiasts can enjoy this once‑in‑a‑few‑decades spectacle.

The Meteorite Impact: A Cataclysmic Event What would it have been like to have lived through the meteorite impact that wiped out the dinosaurs 66m years ago? Writing in the Conversation, Michael Benton, of the University of Bristol, and Monica Grady, of the Open University, describe in vivid detail how it might have felt. The Initial Blast and Its Immediate Effects The first sign that something was amiss would have been a new star visible for about a week before the event. Upon its arrival, all living creatures near the impact site would have seen the bright fireball, heard its crackling noise and experienced a sonic boom before being swiftly incinerated. The Global Devastation Five minutes later, 100-metre-high mega tsunamis rolled across the Gulf of Mexico and, combined with the overheating, earthquakes, hurricanes and fires, wiped out everything within a 1,200-mile (2,000km) radius. The Long-Term Consequences Dinosaurs roaming forests on the other side of the world were still oblivious, but not for long. Within an hour, dust had circled the planet and skies had darkened. Within a day, global temperatures were dropping, and by the end of the week the world was 5C cooler. A ferocious winter lasted for more than a decade, eliminating about 75% of all species. A Warning for the Future Our ancestors were some of the lucky survivors but, sadly, Benton and Grady suggest our penchant for burning carbon is setting the scene for a similar scale of planetary catastrophe.

The Lead: Trump's Decision Point on IranUnited States President Donald Trump has announced he is meeting in the Situation Room to make a "final determination" on a possible deal with Iran that could extend the ceasefire and reopen the Strait of Hormuz. The announcement comes amid deep mistrust between the two sides, with Iran's top negotiator emphasizing that Tehran will judge any agreement by actions rather than promises.The Proposed Deal: Conditions and ConcessionsIn his latest post on the Truth Social platform, Trump outlined numerous conditions for Tehran to accept, including: never developing a nuclear weapon, ensuring the Strait of Hormuz remains open in both directions without tolls, removing any remaining mines in the Strait, and allowing the US to unearth and destroy Iran's enriched uranium. Trump also noted that ships caught in the Strait due to the US naval blockade "may start the process of 'heading home!'" and that "no money will be exchanged until further notice."The Diplomatic Context: Uncertainty and Mixed SignalsUncertainty about the details of a memorandum of understanding (MOU) has grown over the past week amid ongoing distrust between the US and Iran as they seek to end the three-month-long war. While White House sources indicated that the US and Iran had reached a tentative agreement to extend the ceasefire by 60 days, Trump has yet to sign off. Iranian state news outlet Fars reported that the agreement was in its final stages of ratification, but stressed there were no provisions about destroying Iran's nuclear materials in the MOU.The Iranian Position: Actions Over PromisesIran's top negotiator, Mohammad Bagher Ghalibaf, emphasized Tehran's position that "no action will be taken before the other side acts," stating that "guarantees and words, only actions are the criterion." He added that "the winner of any agreement is the one who is better prepared for war the day after," highlighting the deep-seated mistrust that continues to plague negotiations between the two nations.The Regional Implications: Strait of Hormuz and BeyondThe potential reopening of the Strait of Hormuz represents a significant development in the region, with arrangements potentially including monitoring and inspection of ships. This critical waterway is vital for global oil supplies, and its closure has had substantial economic impacts. Any agreement that successfully reopens the Strait would mark a major diplomatic achievement, though the long-term sustainability of such an agreement remains questionable given the history of mistrust between Washington and Tehran.The Path Forward: Final Decision and Implementation ChallengesAs Trump prepares to make his "final determination," the coming days will be crucial in determining whether this potential deal can move from tentative agreement to formal implementation. Al Jazeera's Patty Culhane noted that in the past, the Trump administration has indicated that a deal has been reached, only to later find out it has not. If this deal were to materialize, it would represent "the entire wishlist of what the US was demanding and none of the concessions that Iranian were asking for," suggesting significant challenges in achieving a balanced agreement that satisfies both sides.

John Lewis Launches High‑Summer Fish‑Print CollectionThree years after proclaiming the "death of florals," John Lewis has introduced a new print that is making a splash among shoppers. The retailer’s high‑summer line features everything from sardine‑covered dresses to fish‑shaped homeware, positioning fish as the season’s "catch of the day."Sales Surge: Starfish Earrings +300%, Fish‑Shaped Tumblers +400%Starfish‑shaped earrings up 300% month‑on‑month.Silky blue fish‑print skirt on a waiting list due to high demand.Glass tumblers that stack into a fish shape up 400% month‑on‑month.Wade Pottery fish earthenware jug sales up 129% month‑on‑month.Why Fish Motifs Are Resonating with UK ShoppersThe surge aligns with a growing UK obsession with tinned fish, which has shifted from a cheap pantry staple to a "bougie" ingredient featured in premium packaging. Influencers on TikTok have helped drive an 18% rise in tinned tuna sales at Tesco, while designers use fish imagery to signal social and political identity, according to senior reporter Bettina Makalintal of Eater.Retailers such as Asos, Anthropologie and Accessorize have rolled out fish‑themed apparel and accessories, from oversized sardine tees to raffia fish‑shaped bags, echoing a broader cultural narrative that blends food, fashion and lifestyle aspirations.What the Wave Means for Summer 2026 FashionExperts predict the fish motif will extend beyond summer, influencing autumn collections and inspiring new sustainable material experiments that mimic marine textures. As consumers continue to seek "Euro‑summer" simplicity over overt luxury, the fish trend may become a staple reference point for designers aiming to capture a relaxed, coastal aesthetic.

Lead: NASA’s New Moon‑Base MilestoneNASA revealed that Blue Origin will conduct the first uncrewed lunar lander mission in a series of three scheduled for 2026, marking the agency’s initial move toward a $20 bn moon base. The decision, announced by NASA Administrator Jared Isaacman, places Bezos’s company ahead of SpaceX for this critical early contract.Blue Origin Secures First Uncrewed Moon Base MissionThe award designates Blue Origin’s Endurance cryogenic cargo lander to deliver scientific payloads to the Shackleton‑de Gerlache Ridge at the lunar south pole. The mission, targeted for launch as early as fall 2026, will be the first privately funded lunar lander flight in history.Contract awarded to Blue Origin over competing bids.Mission to test critical capabilities for future human‑landing systems.Part of a broader NASA roadmap that includes more than a dozen additional lunar missions through the decade.Financial Terms and Timeline of the 2026 Lunar MissionsNASA has allocated $230.4 million for each of the first two moon‑base missions, with the agency covering the majority of operational costs.Funding per mission: $230.4 million.2026 schedule: Three uncrewed missions, followed by “more than a dozen” missions in subsequent years.Related contracts: Smaller awards to Lunar Outpost, Firefly Aerospace, and other private firms supporting lunar‑to‑Mars projects.Strategic Implications for U.S. Lunar Ambitions and Private Space CompetitionThe selection underscores the Trump administration’s push to accelerate the Artemis program and establish a permanent lunar presence ahead of China. By leveraging private industry, NASA aims to lower taxpayer costs, stimulate a space‑economy job market, and maintain U.S. leadership in deep‑space exploration.Creates a direct competitive dynamic between Blue Origin and SpaceX for future crewed lander contracts (Artemis III, Artemis IV).Supports the “blueprint for an enduring lunar presence” with a target of operational capability by 2029‑2032.Aligns with national space policy goals of a “golden age of exploration” and a semi‑permanent lunar settlement.What Lies Ahead for NASA’s Moon Base and Commercial Lander DevelopmentFollowing the 2026 uncrewed flights, NASA will evaluate the performance of both Blue Origin’s Blue Moon lander and SpaceX’s Starship HLS during the Artemis III test mission in low‑Earth orbit. Successful demonstrations are expected to pave the way for crewed landings on Artemis IV (planned for 2028) and the eventual construction of Moon Base One.Industry observers anticipate that continued private‑sector involvement will accelerate technology maturation, reduce launch costs, and expand the commercial market for lunar payload services, setting the stage for a sustained human presence on the Moon.

The Remix of a Classic Words, words, words. Can Hamlet retain its tragic force without using most of them? This hour-long dance-theatre remix by the late South African choreographer Dada Masilo preserves few speeches and its opening is not auspicious, crashing straight into “To be, or not to be” shorn of context and characterisation. The Dance of Ophelia and Hamlet There follows, as is customary, a meeting between the prince and Ophelia, but Masilo replaces the usual cruel encounter with stolen moments amid a ceremony, as if they are meeting anew like Romeo and Juliet at the Capulet ball. Matching each other’s movements, amid clapped hands, thrusting shoulders and rippling chests, they grow closer with a hint of tango footwork. From this flashback, Masilo practically fast-forwards their choreography with a sense of doom. The Emotional Depth of Gertrude Letting the pair share a tender duet reinforces their romance but also heightens the violence of the nunnery scene where they are traditionally first seen together. Masilo adds another new scene to show Gertrude’s despair upon receiving news of Old Hamlet’s death rather than introducing her as sanguinely remarried to his brother. We see her seek strength amid grief, supported by courtiers whose pulsing, grounded movement is a message of persistence. This is dancing felt in the gut. The Impact of Movement and Music Wooed offstage, Gertrude returns for a convivial ceremony where a young couple are ticked off for getting too raunchy on the dancefloor. Movement styles across generations and cultures are blended by Masilo, who drew attention for remoulding ballet’s classics. Her ensemble is often an industrious force, driven by relentless percussion, as each scene breaks like a wave against Thuthuka Sibisi’s compositions. The Tragic Conclusion The latter stages lose focus but the choreography’s omnipresent sense of returning to the earth foreshadows a climax where all are struck down by the kingdom’s collective sickness, stressed by the lighting of Suzette le Sueur (who also provides some of the elegant costumes). It’s a collection of often piercing scenes that never quite establish full collective power – a tragedy out of joint. At Sadler’s Wells, London, until 26 May

The India-US Critical Minerals Framework India and the United States have signed a framework agreement to secure supplies of critical minerals and rare earths, including their mining and processing, according to the Indian Ministry of External Affairs and the US embassy in India. What are Critical Minerals and Why are They Significant? Critical minerals are nonfuel minerals used to manufacture batteries, clocks, wiring, military hardware, semiconductors, and other technological products. The US describes them as “essential to the economic or national security of the US” and having “a supply chain vulnerable to disruption”. The Data Analysis: Critical Minerals Stockpile India has 13.15 million tonnes of monazite, a phosphate mineral that contains rare earth oxides, one of the main natural sources of rare earths. The Indian government estimated that the country’s monazite contains 7.23 million tonnes of rare earth oxides (REOs). By comparison, a US Geological Survey report estimated that China has an estimated 44 million tonnes of REOs in its reserves, almost half of the world’s known reserves. The Impact Analysis: Reducing Reliance on China The US and other countries rely heavily on China for these minerals, and Washington, especially under President Donald Trump, has pushed to diversify US sourcing of these minerals to reduce reliance on China. The deal matters for India because its ambitions for critical minerals development require financing, and secure offtake. The Prediction: Future Cooperation and Investment The Quad countries have also agreed to share information on good practices and technical approaches for permitting, licensing, and other regulatory processes. They also agreed to cooperate on recycling and recovery of critical minerals, including during processing, to strengthen supply chains and promote the recycling of critical minerals among Quad partners and “like‑minded” countries.

The Devastating Impact of the Wildfire on Santa Rosa Island Images from a NASA satellite showcased the devastating scars left behind by a wildfire that consumed roughly a third of Santa Rosa Island, one of the five islands that make up Channel Islands national park off the southern California coast. NASA's Satellite Imaging of the Burn Area Taken on 20 May, the Moderate Resolution Imaging Spectroradiometer (Modis) took the false-color image of the burn area, showing swaths of blackened land. The Ecological Significance of Santa Rosa Island While the fire is mostly contained, the images drive home the potential lasting impact on the unique ecosystems across the rugged and remote island. Home to scores of rare and threatened species, Santa Rosa Island provides habitat to some plants and animals found nowhere else on earth. The Scale of the Wildfire The fire that scorched more than 18,300 acres (7,400 hectares) is believed to be the largest recorded on the island, officials said. The landscapes that evolved separately from California’s mainland are not considered fire-adapted ecosystems, and blazes of this magnitude and size are uncommon here. The Road to Recovery and Conservation Efforts Attention has now turned to restoration, and how to protect the unique and extraordinary wildlife from further harm. A specialist crew of National Park Service firefighters are conducting fire severity analyses, and will continue monitoring the area to learn more about how ecosystems respond to fire in the long term.

The Lead: China's Bold Leap into Long-Duration SpaceflightChina has launched its Shenzhou-23 mission in which an astronaut will spend a full year in orbit for the first time, a crucial step in Beijing's ambition to send humans to the moon by 2030. The Long March 2-F rocket lifted off from the Jiuquan launch centre in north-western China on Sunday, carrying three astronauts to the Tiangong space station.The Mission Details: Historic Crew CompositionThe mission marks the first spaceflight ever undertaken by an astronaut from Hong Kong: Lai Ka-ying, 43, who previously worked for the territory's police. The other crew members are the space engineer Zhu Yangzhu, 39, and the former air force pilot Zhang Zhiyuan, also 39, who will be travelling into space for the first time.The Scientific Objectives: Preparing for Deep SpaceThe crew is expected to undertake numerous scientific projects in life sciences, materials science, fluid physics and medicine. A key experiment will be the full-year stay in orbit by one of the crew to study the effects of a long stay in microgravity, part of China's preparations for future lunar and possible Martian missions.Richard de Grijs, an astrophysicist and professor at Macquarie University in Australia, said the main challenges would be long-term effects on humans, including bone density loss, muscle wasting, radiation exposure, sleep disturbance and behavioural and psychological fatigue. He also underlined the importance of reliable water and air-recycling systems and the ability to manage potential medical emergencies far from Earth.The Lunar Ambitions: China's Moon RoadmapThe Shenzhou-23 mission is part of China's goal to land astronauts on the moon before 2030 in a race with Nasa's Artemis programme. Beijing is also testing the equipment required to reach its goal, with an orbital test flight of its Mengzhou spacecraft set for 2026. It will replace the ageing Shenzhou line and will carry China's astronauts to the moon.China hopes to have built the first phase of a manned scientific base, known as the International Lunar Research Station, by 2035. It also plans to welcome its first foreign astronaut, from Pakistan, to the Tiangong station by the end of this year.The Global Context: China's Space Program EvolutionBeijing has significantly expanded its space programmes over the last 30 years, injecting billions of dollars in a push to catch up with the US, Russia and Europe. It landed the Chang'e-4 probe on the far side of the moon, a world first, in 2019, and a rover on Mars in 2021.China has been formally excluded from the International Space Station since 2011, when the US banned Nasa from collaborating with Beijing, prompting it to develop its own space station project. This isolation has accelerated China's indigenous space capabilities, making the Shenzhou-23 mission a milestone in both scientific achievement and geopolitical space competition.