Earth is bathed in droves of neutrinos spewed by the Milky Way’s stars
The subatomic particles are incredibly numerous. About 1,000 neutrinos from stars other than the sun pass through a thumbnail every second.
Category: Science
Easy on the eyes is also easy on the brain
A new study finds that the brain spends less energy processing scenes that people find aesthetically pleasing.
Lightning from Above
NASA astronaut Nichole Ayers captured this image of lightning while orbiting aboard the International Space Station more than 250 miles above Milan, Italy.
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.
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.