Our extinct cousins the Denisovans had a 'distinctive' appearance, new analysis reveals - Paleoproteomic analysis of fossils from northern China reveals that Denisovans had a distinctive physical appearance. human-evolution

2 hours ago

Rare tiger behaviors captured on camera show 'we really know nothing about them' -- The PBS Nature film "Tiger Island" captures rare glimpses of tiger behavior, including a mother, father and cubs spending time together ‪-‬ a first for these usually solitary cats. -- Kenna Hughes-Castleberry -- Published

2 hours ago

30,000-year-old bone found in French cave reveals vast genetic connections between people of Eastern and Western Europe during the Stone Age -- Scientists sequenced the genome of a woman who lived 30,000 years ago and discovered that she had mixed Eastern and Western European ancestry. -- Kristina Killgrove -- Published

18 hours ago

Hepatitis B could surge, infecting millions more in childhood, under proposed CDC guidance -- A proposed shift in recommendations for hepatitis B vaccination in the U.S. could leave millions of young adults unprotected, a new modeling study suggests. -- Clarissa Brincat -- Published

19 hours ago

Native Hawaiians and Easter Islanders came from same 'ultravoyager' group -- Members of the same people who settled Easter Island also discovered Hawaii, a new study finds. -- Charles Q. Choi -- Published

20 hours ago

James Webb telescope discovers rare ring galaxy and 'intruder' 2 billion years after the Big Bang -- Astronomers using the James Webb Space Telescope have observed a galaxy with a ring of newborn stars as it appeared 2.1 billion years after the Big Bang - hinting that the early universe may have been more chaotic than once thought. -- Shreejaya Karantha -- Published

20 hours ago

Scientists invent implant that can transform sugar in the blood to treat type 2 diabetes -- An experimental medical device uses a tiny amount of electricity to spark a chemical reaction and remove extra sugar from the bloodstream. -- Victoria Atkinson -- Published

21 hours ago

NASA's Swift observatory ends 22-year mission, will crash to Earth 'in the next few weeks' -- NASA's Neil Gehrels Swift Observatory has officially ended its mission after more than 20 years, as it approaches a fiery reentry through Earth's atmosphere. -- Brandon Specktor -- Published

22 hours ago

A neglected particle from the dawn of time could explain why everything in the universe exists -- A hypothetical particle could have briefly held more energy than everything else in the infant universe combined, which could help explain how matter won out over antimatter. -- Andrey Feldman -- Published

1 day ago

Daylight saving time 2026: It's time to change your clocks this Sunday -- When does daylight saving time end in 2026? Here's when we change our clocks this fall, and why. -- Jeanna Bryner -- Last updated

1 day ago

'A potential glimpse into the future': Climate change has triggered 'permafrost landslides' with house-size blocks of ice in Canada -- For the first time, researchers have identified a new type of landslide of permafrost in Canada's Northwest Territories. -- Stephanie Pappas -- Published

1 day ago

Colorectal cancer cases in kids have risen sixfold over past 2 decades ‪-‬ researchers are racing to understand why -- While rare, colorectal cancer is becoming more common in kids, teens and young adults, and the disease appears particularly aggressive in this age group. -- Stephanie Pappas

1 day ago

Rare burial of elite toddler from pre-Inca culture discovered in Peru -- Archaeologists have uncovered the 1,500-year-old burial of an elite toddler from the Moche culture in Peru. -- Margherita Bassi -- Published

2 days ago

10 minutes is all it takes for AI assistance to erode your motivation, study shows -- In a set of problem-solving experiments, researchers found that people who used AI to get answers were more likely to give up and fail when that help was removed, compared with people who did not use AI. -- Sascha Pare -- Published

2 days ago

Watch the full 'Hunter's Moon' rise next to Saturn this weekend -- You'll have two chances to see October's full Hunter's Moon rise dramatically this week. Here's when to get the best views. -- Jamie Carter -- Published

2 days ago

Christina Applegate misdiagnosis: Why can MS be difficult to diagnose? -- MS advocate Christina Applegate recently announced that her MS diagnosis was incorrect, based on new test results. Why can the disease be difficult to identify? -- Nicoletta Lanese

4 days ago

Scientists can now 'watermark' AI-generated proteins to deter bioweapon creation. But will it really work? -- A new technology encodes an invisible mark into the structure of AI-generated proteins, but experts said the system's guardrails can still be bypassed. -- RJ Mackenzie

4 days ago

'We're never going to come home': Artemis II commander recalls the most terrifying moment of his 10-day trip around the moon -- Artemis II Commander Reid Wiseman felt genuine fear when he saw the Orion spacecraft had gone farther from Earth than anticipated, the astronaut told an audience at the Starmus VIII festival this week. -- Dan Green -- Published

5 days ago

Crows may make lightning-fast decisions, sometimes twice as fast as humans, study hints -- Carrion crows made decisions about their visual environments significantly faster than humans and primates tend to, according to a comparison in a new study. -- Kenna Hughes-Castleberry -- Published

5 days ago

Brain scans reveal 'number line' that's used to mentally compare values -- Although whole numbers and fractions are processed differently in the brain, when you compare their values, a single "mental map" akin to a number line lights up. -- Jenna Congdon -- Published

5 days ago