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By Jacopo Prisco (CNN) — Astronomers have detected a collision between two black holes in unprecedented detail, offering the clearest view yet…

By Ella Nilsen, CNN (CNN) — Climate scientists are declaring victory after the Trump administration dissolved a working group of five…

By Ashley Strickland, CNN (CNN) — Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars last year may…

By Andrew Freedman, CNN (CNN) — For the first time, scientists have quantified the causal links between worsening heat waves and global warming…

CNN By Amy Woodyatt, CNN A vaccine used to treat chlamydia in Australia’s koala population has been approved for rollout, in a world-first project.…

By Mindy Weisberger, CNN (CNN) — Neuroscientists from 22 labs joined forces in an unprecedented international partnership to produce a landmark…

By Katie Hunt, CNN (CNN) — Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in…

By Laura Paddison, Issy Ronald, CNN (CNN) — Moonshot proposals to save the planet’s ice sheets, including giant underwater sea curtains and…

By Laura Paddison, CNN (CNN) — Ice creams, frozen desserts and super-chilled sodas take on a new appeal in sticky summer heat. As climate…

By Taylor Nicioli, CNN (CNN) — Many sky-gazers around the world will get the chance to see a dazzling celestial display this weekend — a…

By Laura Paddison, CNN (CNN) — The arid desert landscape of Death Valley is not the obvious place to find water. Yet it’s here, in one of the…

By Ella Nilsen, Andrew Freedman, CNN (CNN) — The Environmental Protection Agency has moved to suspend more than 100 staffers who signed a…

By Jacopo Prisco, CNN (CNN) — Spaceflight makes certain human stem cells age faster, a new study has found, furthering scientists’…

By Ella Nilsen, CNN (CNN) — Offshore wind developers and the attorneys general of Rhode Island and Connecticut are suing the federal government…

By Taylor Nicioli (CNN) — The Shroud of Turin — a 14-foot-long linen cloth bearing an image of a crucified man — has captivated people for…

By Lianne Kolirin and Issy Ronald, CNN (CNN) — The world’s largest iceberg is “rapidly breaking up” into several large “very large…

By Mindy Weisberger, CNN (CNN) — Tens of millions of years ago, an apex predator resembling a giant crocodile stalked the humid freshwater…

By Issy Ronald and Amarachi Orie, CNN Glow-in-the-dark plants bright enough to light up streets at night may sound like the stuff of science fiction…

By Jackie Wattles, Kristen Holmes, CNN (CNN) — President Donald Trump said Tuesday that he will move the military’s US Space Command to…

By Laura Paddison, CNN (CNN) — A beach in Melbourne, Australia has been bathed in a “ethereal glow” at nighttime this week thanks to…

By Andrew Freedman, CNN (CNN) — More than 85 veteran climate scientists have pushed back against a Trump administration report downplaying the…

By Jackie Wattles, CNN A powerful solar storm is expected to reach Earth on Monday evening, potentially triggering a display of northern lights…

CNN By Katie Hunt, CNN (CNN) — Forty years ago, in the early hours of September 1, grainy black-and-white images of a metal cylinder appeared…

By Katie Hunt, CNN (CNN) — Forty years ago, in the early hours of September 1, grainy black-and-white images of a metal cylinder appeared on…