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Teeth and bone fragments unearthed in a cave in China, along with animal bones and stone tools, help paint a picture of Denisovan life.

By studying chickadee cognition in the wild, researchers learned smarter birds stay smart in old age, produce more young and have better gut bacteria.

An analysis of sound-making structures on preserved wings reveals the mating calls of ancient Jurassic insects, re-creating part of an ancient soundscape.

AI safety monitoring can fail when an AI's reasoning is the main clue that something has gone wrong, new research suggests.

Ancient DNA confirms Miracinonyx trumani was more closely related to modern pumas than cheetahs and had a more varied diet than previously thought.

A new study finds that digital twins don't yet replicate the views of the individuals they are modeled after.

Scientists knew that sliding along surfaces gives water drops a charge. Those droplets can damage bridges, cars and more over time, new work shows.

A hexagon darkens the clouds over Saturn's north pole. Now, astronomers have found a similarly shaped atmospheric wave at the other pole.

The biggest fibromyalgia genetics study yet zeroed in on 26 genetic risk factors for the pain disorder, including one in the Huntington's disease gene.

Simulations suggest rocky planet building blocks could have formed just 100 million years after the Big Bang.