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By Ella Nilsen and Bill Weir, CNN BUCHANAN, New York (CNN) — The Indian Point nuclear power plant was an energy juggernaut for 50 years, generating a quarter of the electricity that powered New York City’s iconic, glowing skyline. It is well into its decommissioning process after shutting down in 2021: The remaining waste of

By Lex Harvey, CNN (CNN) — Gazing out the window of a rocket at Earth’s glistening blue perimeter, Emily Calandrelli’s mind was likely far from away from the trolls that inhabit the internet on this planet. But less than 24 hours after the MIT engineer and TV host known as “Space Gal” became the 100th

By Laura Paddison, CNN (CNN) — The world agreed to a new climate deal at COP29 in Baku, Azerbaijan, Saturday, with wealthy countries pledging to provide $300 billion annually by 2035 to poorer countries to help them cope with the increasingly catastrophic impacts of the climate crisis — a figure many developing countries criticized as

By Ashley Strickland, CNN (CNN) — Woolly mammoths, giant sloths and saber-toothed cats were a fact of life for early humans. But today’s researchers can only hope to find fossils that will shed more light on the existence of these fascinating prehistoric mega-creatures — and why they went extinct. New clues found in Earth’s northernmost

By Katie Hunt, CNN (CNN) — The promise of starting life anew on Mars may appear alluring, even feasible, as the climate crisis intensifies and space and rocket technology advances. But the reality would be dreadful, according to one book that argues that Elon Musk’s intention to settle the red planet within the next 30

By Taylor Nicioli, CNN (CNN) — The disappearance of pioneering aviator Amelia Earhart more than 87 years ago has remained one of the most captivating mysteries in history, with a handful of explorers devoted to scouring the seas for any clue to her final whereabouts. Sonar imagery captured in January revealed a plane-shaped anomaly on

By Ashley Strickland, CNN (CNN) — Astronomers have captured the first close-up image of a star beyond our galaxy, taken during a dramatic moment near the end of the star’s life. In it, the “behemoth” star appears to puff out gas and dust, a critical final step before exploding in a supernova. The star, known

By Katie Hunt, CNN (CNN) — Each human is a finely tuned orchestra of more than 37 trillion cells. Mapping this little-known world is one of biology’s greatest challenges — and one in which scientists say they just made a significant dent. More than 3,600 researchers from over 100 countries have analyzed more than 100

By Ella Nilsen, CNN (CNN) — The Biden administration is swimming against the current to get seven Western states to agree to divvy up the Colorado River’s water in a way that would protect the river basin and the West’s largest single water source – and do it before President-elect Donald Trump takes office, according

By Rachel Ramirez, CNN (CNN) — The tallest animal in the world is in trouble. Giraffe populations are declining at such an alarming rate — from habitat loss, poaching, urbanization and climate change-fueled drought — that US wildlife officials announced a proposal on Wednesday to help protect several of the species. The US Fish and

By Ashley Strickland, CNN (CNN) — New images of the sun captured by the Solar Orbiter mission showcase the highest-resolution views of our star’s visible surface ever seen, revealing sunspots and continuously moving charged gas called plasma. The images could provide heliophysicists with new clues to help unlock the secrets of the sun like never

By Jackie Wattles and Ashley Strickland, CNN (CNN) — SpaceX aborted a highly anticipated booster catch attempt Tuesday during the sixth test of Starship — the most powerful rocket ever built — just weeks after acing the stunning feat on the first try. But the mission went on to soar through new milestones during a

By Mindy Weisberger, CNN (CNN) — A mummified ice age cub from Siberia is the first known mummy of a saber-toothed cat, and its discovery is generating ripples of excitement among paleontologists. The mummy’s exceptional preservation provided the first view of what saber-toothed cats looked like. Written in its soft tissues are clues about where

By Taylor Nicioli, CNN (CNN) — Famously known for its extensive ring system, Saturn is one of four planets in our solar system that have the distinctive feature. And now, scientists hypothesize that Earth may have sported its own ring some 466 million years ago. During the Ordovician Period, a time of significant changes for

By Ella Nilsen and Hien An Ngo, CNN (CNN) — High above the sand dunes of China’s Kubuqi desert, nearly 200,000 solar panels have been carefully placed in rows to create the outline of a galloping steed. The giant horse is a cultural symbol for Inner Mongolia, the northern Chinese region where the massive Junma

By Katie Hunt, CNN (CNN) — The answers to the biggest questions in space science — what happens inside a black hole, how does a galaxy form or what is dark matter — lie in the far reaches of the universe. However, there is still plenty that scientists don’t know about the solar system, our

By Rachel Ramirez, CNN (CNN) — Christmas tree farmers across the Northeast are looking decidedly less merry as they struggle to keep their trees alive amid a weeks-long drought that has left vegetation brown, shriveled and crisp. Nearly 60% of the Northeast was in drought last week, according to the US Drought Monitor, and more

By Mindy Weisberger, CNN (CNN) — A species of marine worm that scientists lost sight of for almost 70 years has finally resurfaced, thanks to some eagle-eyed sleuthing and a seahorse less than an inch long. When researchers analyzed images of tiny seahorses taken by scuba divers, they found evidence of photobombing worms in the

By Issy Ronald, CNN (CNN) — If you saw an enormous, deadly funnel-web spider sitting on her egg sac, your first instinct might be to run away. But the Australian Reptile Park in New South Wales is urging residents of nearby Sydney to suppress that fear, remain calm, and carefully collect both the spider and