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By Jacopo Prisco, CNN (CNN) — For six months in 1181, a dying star left a mark in the night sky. The striking object appeared as bright as…

By Amy O’Kruk and Angela Dewan, CNN (CNN) — No, it’s not your imagination — summers in the US really are getting hotter. And longer.…

By Ashley Strickland, CNN (CNN) — Data from a retired NASA mission has revealed evidence of an underground reservoir of water deep beneath the…

By Taylor Nicioli, CNN (CNN) — Spiders have a reputation for giving some humans a fright, but a team of scientists has flipped the script to…

By Barbie Latza Nadeau, CNN Rome (CNN) — The skeletal remains of a man and a woman have been unearthed in Pompeii, along with a cache of coins…

By Amy Gunia and Alkira Reinfrank, CNN (CNN) — Some 400 kilometers (250 miles) from the nearest sea, engineering students at Switzerland’s…

CNN By Amy Gunia and Alkira Reinfrank, CNN (CNN) — Some 400 kilometers (250 miles) from the nearest sea, engineering students at…

By Riane Lumer, CNN (CNN) — It’s that time of summer to watch the most anticipated meteor shower of the year: the dazzling display known as…

By Lou Robinson and Angela Dewan, CNN (CNN) — The Paris Olympics opened with rain on its parade, then blistering heat and, finally, a week of…

By Alaa Elassar, CNN South Island, New Zealand (CNN) — Justin Parkin-Rae takes a break from pulling chunks of weeds from around one of the…

By Ashley Strickland, CNN (CNN) — The human story became a bit more complicated about two decades ago. In 2003, archaeologists excavating…

By Ashley Strickland, CNN (CNN) — Excavations and metal-detecting work at the site of a famous ship burial in Suffolk, England, have revealed…

By Ashley Strickland, CNN (CNN) — One of China’s Long March 6A rockets has broken apart in low-Earth orbit and created a debris cloud…

By Jackie Wattles, CNN (CNN) — When astronauts Suni Williams and Butch Wilmore left Earth for International Space Station nearly three months…

By Kara Fox, CNN (CNN) — A coating 100 times thinner than a human hair could be “ink-jetted” onto your backpack, cell phone or car roof to…

By Taylor Nicioli, CNN (CNN) — The ongoing excavation of an ancient Greek city in western Turkey has uncovered artifacts and archaeological…

CNN By Alexandra Banner, CNN (CNN) — Government officials often send text messages as an effective means of warning the public about…

By Jackie Wattles, CNN (CNN) — Butch Wilmore and Suni Williams — two veteran NASA astronauts piloting the first crewed test flight of…

By Jack Guy, CNN (CNN) — Scientists studying squaretail grouper have found that the increasing presence of fishermen in the water is changing…

By Jackie Wattles and Kristin Fisher, CNN (CNN) — The launch of SpaceX’s Crew-9 mission, an endeavor planned to ferry four astronauts to the…

By Katie Hunt, CNN (CNN) — A hobbit-size species of ancient human that lived on the Indonesian island of Flores until about 50,000 years ago…

By Jessie Yeung, CNN Hong Kong (CNN) — As Chinese scientists analyzed the soil samples that their lunar probe brought back from the moon, they…

By Taylor Nicioli, CNN (CNN) — For years, Egyptologists have hotly debated how the massive pyramids of ancient Egypt were built more than 4,000…

By Jack Guy, CNN (CNN) — A group of scientists has devised a plan to safeguard Earth’s species in a cryogenic biorepository on the moon.…

By Jackie Wattles, CNN (CNN) — A half-billion-dollar rover that could be crucial to US lunar ambitions sits fully assembled but in a state of…

By Mary Gilbert, CNN Meteorologist (CNN) — A record-breaking heat wave unfolding at what should be the coldest time in Earth’s coldest place…

By Katie Hunt, CNN (CNN) — Ancient Egypt’s pyramids, pharaohs and artifacts delight the imagination, reigniting wonder of the distant past in…

By Taylor Nicioli, CNN (CNN) — An ongoing excavation in Damietta, Egypt, has uncovered 63 tombs from more than 2,500 years ago, alongside a…

By Angela Dewan and Angela Fritz, CNN (CNN) — A vital system of Atlantic Ocean currents that influences weather across the world could collapse…

By Laura Paddison, CNN (CNN) — When Adelaide Saywell posted on TikTok last month that SSRIs, a commonly prescribed antidepressant medication,…