'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. flu

18 hours 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

22 hours 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

18 hours 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

22 hours 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

22 hours 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

22 hours 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

22 hours 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

22 hours 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

22 hours 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

22 hours ago

Why are dengue cases surging in Florida this year? An 'unlucky' combination of factors, experts say -- Analysis -- 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

1 day ago

OpenAI claims we've entered the AGI era - has GPT-6 Astra really demonstrated general intelligence? -- Analysis -- OpenAI says its newly launched GPT-6 Astra model brings humanity to the threshold of AGI, but external evaluators argue that inflated lab metrics and opaque testing obscure its true reliability. -- Adam Shepherd

2 days ago

Jonathan the tortoise has lived to 194 years old - now scientists think they know why -- DNA samples from Jonathan the 194-year-old tortoise reveal gene variants and epigenetic changes that could contribute to his remarkable lifespan. -- Lauren Schneider -- Published

22 hours ago

'It looks like a chimera' - 168 million years ago, a strange platypus-like mammal relative lived in China alongside dinosaurs -- A predatory mammal-like animal from the Jurassic seems to have characteristics of both a platypus and an otter. -- Chris Simms -- Published

22 hours ago

1,000-mile-long cloud that forms and vanishes on Mars every day obeys 'exotic physics' never seen on Earth -- New simulations suggest that the perplexing Arsia Mons Elongated Cloud (AMEC) repeatedly emerges in the Red Planet's skies thanks to a never-before-seen meteorological process. -- Harry Baker -- Published

22 hours ago

'Completely unexpected': Astronomers spy never-before-seen 'phoenix planet' rising from the ashes of a dead star -- Astronomers have spotted a rare "second-generation" exoplanet closely orbiting the nearby white dwarf HS 0209+0832. An unusual mixture of heavy elements inside this zombie star suggests that "this system has given birth to a new world using the foundations of the old one." -- Harry Baker -- Published

22 hours ago

'Sexy Mantis,' obscene orangutan and prancing sparrowhawk feature in 2026 Nikon Comedy Wildlife Awards -- Photo gallery -- The Nikon Comedy Wildlife Awards has unveiled its finalists for 2026, so let's all have a good laugh at nature. -- Patrick Pester

2 days ago

The Draconids, an unpredictable shower that can bring hundreds of meteors per minute, has begun -- Peaking on Oct. 8-9, the unpredictable Draconid meteor shower is one of the few that's best seen just after dark. Could it produce another meteor storm? -- Jamie Carter -- Published

22 hours ago

'Zombie cells' may drive aging, and scientists are devising new ways to get rid of them -- Analysis -- Immune cells that clear old and dying cells get sluggish with age. Scientists think that rejuvenating these cells could help combat aging. -- Zunnash Khan

3 days ago

Roboticists showcase tiny, frog-like robot that can hop across wet surfaces and swim -- A palm-sized robot inspired by frogs uses snapping rods to jump, swim and navigate an obstacle course. -- Bobby Hellard -- Published

22 hours ago