NASA cancels spacewalk and considers early crew return from ISS due to medical issues
NASA is considering the early return of Crew-11 from the International Space Station after an unidentified astronaut experienced a medical problem.
Category: Science
James Webb telescope confirms a supermassive black hole running away from its host galaxy at 2 million mph, researchers say
JWST peered at the glowing trail of stars left behind by a candidate runaway supermassive black hole deep in space, revealing new insights after other
Orbiting satellites could start crashing into one another in less than 3 days, theoretical new ‘CRASH Clock’ reveals
Researchers have proposed a theoretical timepiece, dubbed the “CRASH Clock,” which tells us how quickly satellites would start colliding if they lost the ability to
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.
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.