Braces, rubber bands, even jaw surgery—millions endure them in pursuit of a straighter smile. But were misaligned smiles ...

Hedgehogs are one of the odd-looking mammals out there, with their pointed noses and spiky spines covering their body. Hedgehogs come in a variety of sizes, and some species are so tiny they can fit ...

A fossilized rhino tooth reveals ancient proteins, pushing back the timeline of rhino evolution by millions of years.

The team recovered protein fragments from teeth found at multiple sites across Turkana, ranging in age from 1.5 to 18 million ...

For nearly a century, scientists have been puzzling over fossils from a strange and robust-looking distant relative of early humans: Paranthropus robustus. It walked upright, and was built for heavy ...

Researchers have described proteins that they say are among the most ancient ever sequenced. Two teams, which analysed ...