Discover the origin and purpose of the structures of living things, from why baboons have swollen bottoms to the ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Large fruits and seeds buried under volcanic ash nearly 75 million years ago upend the idea that flowering plants only came ...

Fossils unearthed in Ethiopia are reshaping our view of human evolution. Instead of a straight march from ape-like ancestors to modern humans, researchers now see a tangled, branching tree with ...

Eutherian mammals living in China after the end-Cretaceous extinctions evolved larger tooth sizes first before becoming more specialized in their biting performance, mirroring a similar pattern in ...