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By Laura Paddison, CNN (CNN) — On a summer’s evening in 2019, Zach Sheldon watched huge chunks of ice break off Valdez Glacier in Alaska as it calved into the lake below. The following morning, the experienced tour guide led his group to a crest on the glacier to see the aftermath. But as he

By Mindy Weisberger, CNN (CNN) — “His birth was unknown, his death hidden.” So reads the headstone (translated from Latin) marking the grave of the enigmatic man known as Kaspar Hauser, who died in 1833. Nearly 200 years later, scientists have finally solved a longstanding mystery about Hauser’s suspected ties to German royalty. Hauser appeared

By Ashley Strickland, CNN (CNN) — Earth is about to gain a new “mini-moon,” but it won’t stay around for long. The newly discovered asteroid, named 2024 PT5, will temporarily be captured by Earth’s gravity and orbit our world from September 29 to November 25, according to astronomers. Then, the space rock will return to

By Rosa Rahimi, CNN London (CNN) — Scientists in the United Kingdom have stored the entire human genome on a “5D memory crystal,” in the hope that it could be used in the future as a blueprint to bring humanity back from extinction. The crystal, which was developed by a team of researchers at the

By Laura Paddison, CNN (CNN) — Scientists using ice-breaking ships and underwater robots have found the Thwaites Glacier in Antarctica is melting at an accelerating rate and could be on an irreversible path to collapse, spelling catastrophe for global sea level rise. Since 2018, a team of scientists forming the International Thwaites Glacier Collaboration, has been studying Thwaites — often

By Ashley Strickland, CNN (CNN) — As Artemis II — NASA’s mission that will send four astronauts to circumnavigate the moon as soon as next year — draws closer, a new study is revealing how well its Orion spacecraft will protect the crew. The findings are based off data from Artemis I, a 25-day journey

By Kristin Fisher, CNN (CNN) — When NASA’s Butch Wilmore and Suni Williams launched to the International Space Station in June on the first crewed test flight of Boeing’s Starliner spacecraft, they were supposed to return to Earth roughly a week later, nearly five months before the US presidential election. But after the space agency deemed

CNN By Michelle Cohan, CNN (CNN) — With its long, ridged horns and muscular build, the giant sable antelope is a majestic sight — and a rare one at that. This particular antelope, endemic only to Angola, in southwest Africa, is critically endangered, with a population of just a few hundred. While its situation is

By Michelle Cohan, CNN (CNN) — With its long, ridged horns and muscular build, the giant sable antelope is a majestic sight — and a rare one at that. This particular antelope, endemic only to Angola, in southwest Africa, is critically endangered, with a population of just a few hundred. While its situation is still

By Katie Hunt, CNN (CNN) — The dappled starlight and swirling clouds of Vincent van Gogh’s “The Starry Night” are thought to reflect the artist’s tumultuous state of mind when he painted the work in 1889. Now, a new analysis by physicists based in China and France suggests the artist had a deep, intuitive understanding

By Angela Dewan and Ella Nilsen, CNN (CNN) — The bustling city of Shanghai marks national celebrations with world-famous light shows, illuminating its skyscrapers with dazzling colors, like beacons of Chinese innovation. It is here that scientists and engineers work around the clock to pursue the next big thing in global tech, from 6G internet

By Mindy Weisberger, CNN (CNN) — In a Costa Rican rainforest, a small, semiaquatic lizard called a diving anole leaps into a stream. Minutes pass, but the anole doesn’t surface for air, as these lizards typically do. Instead, the submerged lizard crouches on a river rock, a small air bubble atop its head expanding like a balloon

By Issy Ronald and Eyad Kourdi, CNN (CNN) — Archaeologists have unearthed the ancient remains of an Egyptian army barracks and the artifacts left there, including a still-shiny bronze sword engraved with the name of King Ramses II in hieroglyphics. The complex consisted of warehouses to store weapons and food, as well as barracks to

By Ashley Strickland, CNN (CNN) — Sky-gazers around the world were able to glimpse a partial lunar eclipse while September’s full harvest moon shone brightly Tuesday night. The moon peaked at its fullest at 10:35 p.m. ET Tuesday, but will appear full through Thursday morning, according to NASA. If you viewed the moon on Tuesday

By Ashley Strickland, CNN (CNN) — Engineers at NASA have successfully fired up a set of thrusters Voyager 1 hasn’t used in decades to solve an issue that could keep the 47-year-old spacecraft from communicating with Earth from billions of miles away. When Voyager 1 lifted off to space on September 5, 1977, no one

By Ella Nilsen and CNN Chief Climate Correspondent Bill Weir Becker, Minnesota (CNN) — The smokestacks on the aging Sherco coal power plant tower over gleaming solar panels that stretch across thousands of acres of farmland. The polluting coal plant is on its way out, scheduled for retirement in the next five years. It’s generated

CNN By Andrew Torgan and Daniel Wine, CNN (CNN) — When you think deeply about pizza — and who doesn’t — do you think of the frozen food aisle of the grocery store? The delivery guy who was supposed to be there in 30 minutes? Or do you envision Naples, pizza’s ancestral home? Surely Italy

By Jackie Wattles, CNN (CNN) — SpaceX’s Polaris Dawn crew is home, capping off a five-day mission to orbit — which included the world’s first commercial spacewalk — by splashing down in the Gulf of Mexico. The Crew Dragon capsule carrying four astronauts landed off the coast of Dry Tortugas, Florida, at 3:37 a.m. ET