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The tiny colons were grown from mouse stem cells, but human versions could one day be used to test new drugs for colorectal cancer, scientists say.

Anthropic's AI tool has beaten GPT-4 in key metrics and has a few surprises up its sleeve — including pontificating about its existence and realizing when it was being tested.

In the early hours of Tuesday (April 23), quadruple solar flares near-simultaneously exploded from across the sun's surface, and there's a good chance that one of these outbursts launched a solar storm toward Earth.

On April 10, a bright red atmospheric "hole" was spotted in the night sky above Texas shortly after SpaceX launched 23 Starlink satellites into space. It is the latest example of an increasingly common phenomenon caused by the company's dying rockets.

NASA's Voyager 1 probe has resumed sending usable data back to Earth after engineers fixed a computer error that caused the interstellar spacecraft to only transmit gibberish for five months.

The near-Earth asteroid Kamo'oalewa, which orbits alongside our planet as a 'minimoon,' may have originated from Giordano Bruno crater on the far side of the moon, new research suggests.

A giant-hail event that hit Girona in northwest Spain in 2022 was fueled by climate change, with a marine heatwave helping to intensify the storm that killed a small child.

Researchers at MIT are using AI to train AI not to give toxic responses, using a new method that replicates human curiosity.

Enslaved people picked the cherries around 250 years ago, likely in pre-Revolutionary War times.