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The Taichi-II chiplet, which could one day power super-intelligent AI models, ups the ante in light-based processing.

Rare fossilized sea cow unearthed by a local farmer in Venezuela appears to have been killed by a croc then eaten by a tiger shark.

Every so often, astronomers detect a supernova explosion that's 100 times brighter than it should be. A new paper may reveal the strange source of these "superluminous" supernovas.

A new study suggests that millions of tiny space rock fragments, which were ejected from the deliberate 2022 collision between the asteroid Dimorphos and NASA's DART spacecraft, may be on a collision course with Earth and Mars. While these fragments are probably harmless, they could trigger the first human-caused meteor…

The 17th-century sword was found in a cellar that was destroyed during World War II, but it's unknown how it ended up there.

Quantum compasses need six atom interferometers, each the size of a small room, to work. But scientists have made crucial steps to miniaturizing these devices.

A recent landslide along the banks of a river in British Columbia completely dammed the waterway, leading to evacuation warnings and potentially dooming an endangered fish population trapped on the wrong side of the debris.

NASA astronauts Butch Wilmore and Sunita Williams will spend at least eight consecutive months aboard the International Space Station as their Boeing Starliner spacecraft returns to Earth empty. Is their extended spaceflight record-setting?

The small carving was made 14,000 years ago by a group of hunters.