Scientists reveal a never-before-seen species of leopard-size apex predator that lived in lush forest 30 million years ago.

Excavations at a centuries-old royal palace in Korea have revealed multiple flush toilets, including one that the crown ...

AI models have, within hours, created more efficient wireless chips through deep learning, but it is unclear how their ...

A woman developed an array of symptoms shortly after returning from a vacation, and parasites turned out to be the culprit.

NASA increased the chances of asteroid 2024 YR4 hitting Earth to 1 in 32, or 3.1%, on Tuesday, but they're now back down to 1 ...

The tomb of Thutmose II, a pharaoh who ruled about 3,500 years ago, has been discovered west of the Valley of the Kings.

A dead galaxy shouldn't produce bursts of radio light. Yet this 11 billion-year-old one did — throwing scientists for a loop.

The Romans occupied what's now Spain from 218 B.C. until roughly the fourth century A.D. The fortress burial included a " ...

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Microsoft scientists have created a quantum processor that taps into a rare state of matter that was first theorized in the ...

A man who should have developed early-onset Alzheimer's disease due to a genetic mutation is still symptom-free in his 70s.

Using hormonal birth control methods, such as "the pill," may increase users' risk of blood clots, strokes and heart attacks, ...