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By Mindy Weisberger, CNN (CNN) — A clutch of 28 dinosaur eggs found in the Qinglongshan fossil reserve in central China is about 86 million years old, according to scientists who used an “atomic clock” method to date the samples. Researchers said they now hope the eggs, and the technique employed to evaluate their age,

By Andrew Freedman, Jackie Wattles, CNN (CNN) — NASA has banned Chinese citizens with US visas from participating in agency programs — a dramatic escalation in the space race between China and the United States. It occurs as China gears up to send a crewed mission to land and potentially establish a habitat on the

By Jacopo Prisco (CNN) — Astronomers have detected a collision between two black holes in unprecedented detail, offering the clearest view yet into the nature of these cosmic oddities and confirming long-held predictions made by legendary physicists Albert Einstein and Stephen Hawking. The event, dubbed GW250114, became known in January when researchers spotted it with

By Ella Nilsen, CNN (CNN) — Climate scientists are declaring victory after the Trump administration dissolved a working group of five well-known climate contrarians that authored a recent federal report questioning the severity of climate change and even portraying it as potentially beneficial. A letter dated September 3 from Energy Sec. Chris Wright confirming the

By Ashley Strickland, CNN (CNN) — Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars last year may have potentially been made by ancient life, NASA announced Wednesday. The team has also published a peer-reviewed paper in the journal Nature about the new analysis, though they say further study

By Andrew Freedman, CNN (CNN) — For the first time, scientists have quantified the causal links between worsening heat waves and global warming pollution from individual fossil fuel and cement companies, pushing the boundaries of extreme weather event research in multiple surprising ways. The new study, published Wednesday in the journal Nature, looks at a

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. Researchers from the University of the Sunshine Coast spent more than 10 years developing a single-dose vaccine to protect the famed Australian marsupial from the effects of chlamydia, which include urinary

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. Researchers from the University of the Sunshine Coast spent more than 10 years developing a single-dose vaccine to protect the famed Australian marsupial from the effects of chlamydia, which include urinary tract

By Mindy Weisberger, CNN (CNN) — Neuroscientists from 22 labs joined forces in an unprecedented international partnership to produce a landmark achievement: a neural map that shows activity across the entire brain during decision-making. The data, gathered from 139 mice, encompass activity from more than 600,000 neurons in 279 areas of the brain — about

By Katie Hunt, CNN (CNN) — Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event akin to the one that wiped out dinosaurs 66 million years ago. But this time the

By Laura Paddison, CNN (CNN) — Ice creams, frozen desserts and super-chilled sodas take on a new appeal in sticky summer heat. As climate change drives hotter temperatures, Americans are consuming more and more of them, new research finds, with worrying health consequences. There is plenty of evidence climate change will shape food availability and

By Taylor Nicioli, CNN (CNN) — Many sky-gazers around the world will get the chance to see a dazzling celestial display this weekend — a total lunar eclipse that could cause the moon to take on a deep reddish hue. The lunar eclipse will be visible Sunday for those in Europe, Africa, Asia and Australia,

By Ella Nilsen, Andrew Freedman, CNN (CNN) — The Environmental Protection Agency has moved to suspend more than 100 staffers who signed a letter of dissent against the Trump administration’s policies in July, a representative of the union covering the agency’s staff told CNN on Friday. The EPA previously moved to fire a handful of

By Jacopo Prisco, CNN (CNN) — Spaceflight makes certain human stem cells age faster, a new study has found, furthering scientists’ understanding of the potential effects of space exploration on the human body. Stem cells are found throughout the body, and they can make more of themselves or turn into other specialized cells — including

By Ella Nilsen, CNN (CNN) — Offshore wind developers and the attorneys general of Rhode Island and Connecticut are suing the federal government in an effort to reverse a stop-work order on a nearly complete wind farm off the coast of Rhode Island. It’s the latest development in a rapidly escalating battle between President Donald

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 centuries, stirring debate over whether the relic once wrapped the body of Jesus Christ. For some, the cloth serves as visual proof of Jesus’ resurrection; for others, it is

By Lianne Kolirin and Issy Ronald, CNN (CNN) — The world’s largest iceberg is “rapidly breaking up” into several large “very large chunks,” scientists from the British Antarctic Survey (BAS) have said. Previously weighing nearly a trillion metric tonnes (1.1 trillion tons) and spanning an area of 3,672 square kilometers (1,418 square miles) — slightly

By Mindy Weisberger, CNN (CNN) — Tens of millions of years ago, an apex predator resembling a giant crocodile stalked the humid freshwater floodplains of southern Patagonia. Measuring up to 11.5 feet (3.5 meters) long and weighing about 550 pounds (250 kilograms), it ate whatever it could catch. Including some dinosaurs. Near the southern tip