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By Mindy Weisberger, CNN (CNN) — Recent analysis of two fossils from Australia, estimated to be about 50,000 years old, suggests that Australia’s First Peoples valued big animals for their fossils as well as for their meat, collecting bones and transporting them over great distances. For decades, scientists viewed cut marks on the fossils as

By Taylor Nicioli, CNN (CNN) — Near the end of his reign, French emperor Napoleon Bonaparte led an army of over half a million men in an invasion of Russia in 1812. Six months later, after the army was forced to retreat, an estimated tens of thousands of his soldiers made it back to France.

By Jacopo Prisco, CNN (CNN) — A type of mosquito that was believed to have evolved in the London Underground has a much older origin in the Mediterranean, according to a new genetic study. The myth originated during World War II when Londoners sheltering from German warplanes in subway stations had to endure bites from

By Amanda Schupak, CNN (CNN) — In the badlands of eastern Wyoming, the Lance Formation is a trove of prehistoric fossils. And one area in particular — a region less than 10 kilometers (6 miles) across — has provided scientists with at least half a dozen remarkably well-preserved dinosaur specimens complete with details of scaly

By Ashley Strickland, CNN (CNN) — A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs. Rocks and fossils at the Naashoibito Member site show an ecosystem that was filled with a diverse population of dinosaurs just before they disappeared from Earth.

By Laura Paddison, CNN (CNN) — Elkhorn and staghorn corals used to carpet Florida’s reef system, rising like antlers from the seabed — but not anymore. These crucial coral species are now “functionally extinct” in the region after record-breaking ocean temperatures, according to a study published Thursday. The corals, which have been dominant reef builders

By Andrew Freedman, CNN (CNN) — Tropical Storm Melissa is expected to meander the Caribbean at an agonizingly slow pace in the coming days, even as it’s forecast to strengthen into a hurricane, covering as little as 2 miles in an hour. This is slower than an average person’s walking speed. Hurricanes are powerful storms,

By Andrew Freedman, CNN (CNN) — The Billion-Dollar Weather and Climate Disasters Database, which the Trump administration “retired” in May, has relaunched outside of the government using the same methodology. In its first update at the new site, the database shows that the first six months of 2025 have been the most expensive first six

By Hadas Gold, Jackie Wattles, CNN (CNN) — Elon Musk lashed out at Transportation Secretary Sean Duffy in a series of insulting posts on his social media platform X on Tuesday, after Duffy suggested NASA may sideline SpaceX from its moon mission. Musk, SpaceX’s CEO, called Duffy “Sean Dummy,” accused him of having a “2

By Laura Paddison, CNN (CNN) — Iceland’s frozen, inhospitable winters have long protected it from mosquitoes, but that may be changing. This week, scientists announced the discovery of three mosquitoes — marking the country’s first confirmed finding of these insects in the wild. Mosquitoes are found almost everywhere in the world, with the exception of

By Jackie Wattles, CNN (CNN) — NASA may sideline SpaceX and choose a different company to land its astronauts on the moon later this decade, acting space agency chief Sean Duffy suggested during TV appearances Monday. Duffy emphasized that he believes SpaceX, which has a $2.9 billion contract to provide the lunar lander astronauts would

By Jacopo Prisco, CNN (CNN) — At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars. NASA’s Fermi Gamma-ray Space Telescope detected the glow shortly after launching in 2008, and the light has puzzled

By Laura Paddison, Andrew Freedman, CNN (CNN) — A fierce Trump administration push to stop the global shipping industry from paying for its own climate pollution appeared to have been successful Friday, as efforts to approve the “world’s first global carbon tax” collapsed. It had been widely assumed the tax would be adopted during a

By Ashley Strickland, CNN (CNN) — Few city rats have left their mark on the public consciousness — and the urban landscape — like the one responsible for the famed “Chicago rat hole.” (“Pizza Rat” is a notable exception.) But the Windy City’s “rat hole” may not be what it seems.New research into the identity

By Katie Hunt, CNN (CNN) — The first known hand fossils from an extinct human relative have been unearthed in Kenya, revealing a species with unexpected dexterity and a gorilla-like grip. The hand bones, which were discovered alongside skull and teeth fossils, are leading researchers to believe these early humans may have been able to

By Ashley Strickland, CNN (CNN) — An unusual double-ring structure spotted in space with the help of citizen scientists has turned out to be a cosmic rarity. The celestial anomaly, captured by a radio telescope, is an odd radio circle, one of the scarcest and most mysterious objects in the universe, said Dr. Ananda Hota,

By Jackie Wattles, CNN (CNN) — SpaceX’s luck appears to be turning, as the company notched a second straight successful test flight of the Starship launch system — the most powerful rocket ever constructed — on Monday evening. The test mission, which kicked off around 7:23 p.m. ET at SpaceX’s facilities in South Texas, marked

By Ella Nilsen, CNN (CNN) — The Trump administration’s cancellation of the largest solar project in the United States has sparked confusion and concern among Republicans and Democrats alike. Known as the Esmeralda 7, the collection of seven solar projects in rural Nevada was set to generate up to 6.2 gigawatts of energy when complete,