Ancient Indigenous people in New Mexico lived through extreme climate change 23,000 years ago, study suggests - Researchers have revealed the climate that some of the first people in North America experienced around 23,000 years ago, during the Last Glacial Maximum. americas

42 minutes ago

Physicists claim they can predict when AI turns dangerous -- A new mathematical formula tracks an AI's internal "compass needle" to flag undesirable outputs before they happen. -- Benjamin Skuse -- Published

42 minutes ago

Chinese pottery discovered in Great Zimbabwe reveals medieval African empire's vast connections spanning thousands of miles -- Archaeologists excavating a medieval African kingdom have discovered pottery from eastern China, revealing connections across continents. -- Kristina Killgrove -- Published

2 hours ago

Flightless Jurassic bird was like a carnivorous pheasant with killer claws -- An early bird with many dinosaur-like features discovered in China seems to have been a fast-running, land-based carnivore with killer claws. -- Chris Simms -- Published

3 hours ago

One of America's biggest meteor craters is 100 million years younger than we thought - and coincided with a global extinction event -- Analysis of tiny zircon crystals buried within the 10-mile-wide Ames crater in northwest Oklahoma suggests that the submerged structure dates back to 370 million years ago, during the Frasnian-Famennian mass extinction event. -- Harry Baker -- Published

4 hours ago

2,000-year-old burial found in Russia near a human sacrifice and a cup to ward off magical threats -- A human sacrifice was found next to an elite warrior's 2,000-year-old burial in Russia. -- Tom Metcalfe -- Last updated

6 hours ago

Hundreds of whale calves have mysteriously died in Patagonia - and scientists are racing to find out why -- Scientists are racing to explain why hundreds of southern right whale calves have died this year in Argentine Patagonia, and the first clues are starting to emerge. -- Maria de los Angeles Orfila

10 hours ago

'Autonomy always begins with something a human hands it': Who's responsible when an AI agent goes rogue? -- Hacking incidents by AI agents are creating a legal minefield. The developers and deployers of rogue bots could be held liable. -- Carly Page

10 hours ago

1,200-year-old burial in Latvia holds people who died of 'sharp force' injuries, possibly from a Viking raid -- A 1,200-year-old burial in Latvia holds the remains of a father, son and four others ‪who may have been victims of a Viking raid. -- Tom Metcalfe -- Published

4 hours ago

'October is the ideal time to get vaccinated': Flu season is kicking off early, experts say -- Flu tests are coming back positive at higher rates than is typical for early fall in several Western states, data suggests. -- Olivia Maule -- Published

2 days ago

Cool chemistry trick allows new tattoos to 'turn on and off' -- Researchers created multicolored tattoo inks that are activated by different wavelengths of light, allowing people to hide their tattoos in different scenarios. -- Kenna Hughes-Castleberry -- Published

5 days ago

Scientists have identified a 'protein signature' in blood that could predict healthy aging -- Having a certain ratio of proteins produced by immune cells in your blood is linked to a higher risk of age-related diseases, scientists report. -- Zunnash Khan -- Published

5 days ago

James Webb telescope pinpoints the most distant 'fast radio burst' ever seen -- The James Webb Space Telescope has detected the farthest "fast radio burst" ever seen, providing more clues about these mysterious explosions. -- Elizabeth Howell -- Last updated

5 days ago

Bronze ring with Lighthouse of Alexandria engraving discovered at palace on submerged island in Egypt -- A bronze ring that depicts the Lighthouse of Alexandria has been discovered underwater in the remains of an ancient palace. -- Owen Jarus -- Published

5 days ago

South Korean 'robot dog' became first to run a marathon on a single battery charge - now we know how -- A quadruped robot scampered more than 26.2 miles of uneven, hilly terrain alongside human runners without needing to be recharged. -- Alan Bradley -- Published

5 days ago

Big dogs age faster at an epigenetic level, new study finds -- A new study that tracked dogs' aging by reading tiny chemical tags on their DNA found that larger dogs aged more quickly. -- RJ Mackenzie -- Published

5 days ago

'Freakish' discovery of 9 million-year-old capybara tooth supports idea that Atacama wasn't always a desert -- A 9 million-year-old capybara tooth was found in the Atacama Desert, a surprising find given that these rodents love water. -- Damien Pine -- Published

5 days ago

The Milky Way is one galaxy - but it used to be thousands, new simulations reveal -- A new supercomputer simulation traces how thousands of small galaxies eventually became the Milky Way. -- Sharmila Kuthunur -- Published

5 days ago

The central Pacific Ocean just broke a temperature record. Experts say it might signal a new kind of El Ni o. -- The sea surface temperature in a key El Ni o region has exceeded 86 degrees F for the first time on record, hinting that the strength and location of some El Ni o events are transforming. -- Sascha Pare -- Published

5 days ago

Why are dengue cases surging in Florida this year? An 'unlucky' combination of factors, experts say -- Dengue fever infections are booming in Florida this year, with more local cases than usual and the state's first dengue-related death in nearly a century. Why? -- Olivia Ferrari

10 hours ago