Testosterone for menopause: The treatment is rising in popularity, but does it work? Analysis - Women are using testosterone in the hope that it will treat their menopause symptoms, but little evidence supports the approach, experts say. Analysis

1 hour ago

Chronic back pain may activate an unexpected brain network, study finds -- Movement-induced flares in chronic back pain activate brain regions involved in self-reflection, suggesting chronic pain may be processed differently than acute pain. -- Jennifer Zieba -- Published

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DNA from centuries-old skeletons buried in Montreal reveals no genetic mixing between Indigenous people and French colonists -- A study of DNA from early colonial-era skeletons in a Montreal cemetery has revealed that none of them had any Indigenous ancestry. -- Charles Q. Choi -- Published

13 hours ago

Tapeworm drug could help treat endometriosis, mouse study hints -- A recent study in mice hints that a modified tapeworm medicine might help relieve painful lesions seen in endometriosis. -- Victoria Atkinson -- Published

14 hours ago

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. -- Patrick Pester -- Published

14 hours ago

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

14 hours 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

17 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

18 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

19 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

21 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

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'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

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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

19 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

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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