Betelgeuse’s buddy leaves a wake in the giant star’s atmosphere
The wake left by Betelgeuse’s companion could solve a decades-old mystery of its strange brightness cycles.
Category: Science
New dietary guidelines flip the food pyramid
The new guidelines emphasizes eating protein and full-fat dairy while reducing sugar, carbs and ultraprocessed foods.
60,000-year-old poison arrowheads show early humans’ skillful hunting
A new analysis uncovers traces of poison on the South African arrowheads, pushing back the timeline for poisoned weapons by more than 50,000 years.
How large is Greenland, really? Your map may be deceiving you
Talk of annexation has Greenland in the news again. But due to quirks of cartography, some common maps show the territory much larger than it
Sick young ants send out a ‘kill me’ scent to prevent deadly epidemics
Young, infected Lasius neglectus ants will send out an altruistic “kill me” signal to worker ants, a new study finds, as part of a strategy
New US food pyramid recommends very high protein diet, beef tallow as healthy fat option, and full-fat dairy
The federal government has released new dietary guidelines, introducing an emphasis on consuming meat and dairy and avoiding highly processed foods.
Rare 2,000-year-old war trumpet, possibly linked to Celtic queen Boudica, discovered in England
Archaeologists have announced their discovery of a metal hoard that contained an extremely rare example of a Celtic battle trumpet.
60,000-year-old poison arrows from South Africa are the oldest poison weapons ever discovered
Five quartz arrowheads found in a South African cave were laced with a slow-acting tumbleweed poison that would have tired prey during long hunts.
Galaxies with ‘hoop skirts’ are more common than we thought
The discovery of thousands more galaxies with stars ringing their main disks could help astronomers study galactic evolution more generally.
First Sky Map from NASA’s SPHEREx Observatory
NASA’s SPHEREx Observatory has mapped the entire sky in 102 infrared colors, as seen here in this image released on Dec. 18, 2025. This image
Diagnostic dilemma: Giant ‘stone’ in a man’s bladder looked like an ostrich egg
A man visited a hospital because of bladder discomfort, and his doctors discovered a remarkably large bladder stone.
Distinct AI Models Seem To Converge On How They Encode Reality
Read a story about dogs, and you may remember it the next time you see one bounding through a park. That’s only possible because you
‘How can all of this be happening?’: Scientists spot massive group of ancient galaxies so hot they shouldn’t exist
An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic evolution.
Here’s the science behind nuclear weapons testing
Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.