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By Ella Nilsen, CNN (CNN) — Energy Sec. Chris Wright said Tuesday night the Trump administration is updating the National Climate Assessments that have been previously published, which the administration recently removed from government websites. “We’re reviewing them, and we will come out with updated reports on those and with comments on those reports,” Wright

By Jackie Wattles, CNN (CNN) — Firefly Aerospace, the first private company to successfully land upright on the moon, is set to make another high-stakes foray — this time into the stock market. Firefly’s stock will begin trading on the Nasdaq Thursday morning under the ticker symbol “FLY.” Founded in 2017 by ex-SpaceX engineer Tom

By Jessie Yeung, CNN (CNN) — Parts of Australia’s iconic Great Barrier Reef, famed for its stunning colors and biodiversity, suffered the biggest decline of coral on record last year after a marine heatwave bleached vast swathes of hard coral, a new report has found. The reef had its worst summer on record in 2024

By Taylor Nicioli, CNN (CNN) — Research vessel Blue Heron trawls the Great Lakes, gathering data from the water. The floating laboratory’s most recent discovery, however, came from an unexpected location: its own rudder. While docked after a long cruise to study algae blooms in lakes Erie and Superior in September, the crew noticed a

By Ashley Strickland, CNN (CNN) — The humble modern-day potato, first domesticated about 10,000 years ago, got its start in the Andes mountains before becoming a key crop the world depends on. But because plants don’t preserve well in the fossil record, its lineage has remained largely a mystery. Now, a team of evolutionary biologists

By Laura Paddison, CNN (CNN) — Iran’s capital Tehran could be weeks away from “day zero,” experts say — the day when taps run dry for large parts of the city — as the country suffers a severe water crisis. Key reservoirs are shrinking, authorities are scrambling to reduce water consumption and residents are desperately

By Ella Nilsen, CNN (CNN) — President Donald Trump came into office promising to lower energy and electricity costs. But with the cost of electricity rising, congressional Democrats and left-leaning groups see an opening to go on the offense ahead of the 2026 midterm elections. A Wednesday letter led by Democratic Sen. Elizabeth Warren of

By Katie Hunt, CNN (CNN) — Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into many different specialized cell types – to form laboratory-grown structures that resemble human embryos. These embryo models

By Ashley Strickland, CNN (CNN) — A first-of-its-kind satellite has launched to track nearly imperceptible changes on Earth’s surface, an effort that could aid with responses to natural disasters. Called the NASA-ISRO Synthetic Aperture Radar mission, or NISAR, the spacecraft is equipped with two kinds of synthetic aperture radar designed by the US space agency

By Gina Park, CNN (CNN) — Sky-gazers may get a good chance to see fireballs streak across the night sky this week. Two meteor showers — the Alpha Capricornids and Southern Delta Aquariids — will reach their peak and another is ramping up. The Alpha Capricornids meteor shower, which is best known for producing very

By Ella Nilsen, Andrew Freedman, CNN (CNN) — In one of its most significant reversals on climate policy to-date, the Trump administration on Tuesday proposed to repeal a 2009 scientific finding that human-caused climate change endangers human health and safety, EPA Administrator Lee Zeldin announced. If successful, the repeal could strip away the federal government’s

By Ella Nilsen, Laura Paddison, CNN (CNN) — The Trump administration fired the last of the US climate negotiators earlier this month, helping cement America’s withdrawal from international climate diplomacy. It may also have handed a huge victory to China. The elimination of the State Department’s Office of Global Change — which represents the United

By Lianne Kolirin, CNN (CNN) — A 4,000-year-old handprint has been discovered on a clay model used for offerings in an Ancient Egyptian tomb. Researchers from Cambridge University’s Fitzwilliam Museum, in the United Kingdom, stumbled upon the imprint while preparing for an exhibition, which is set to open this fall. It was found on the