About 68-million-years ago, during the Late Cretaceous, a giant fossil egg was laid in Antarctica. The excavated remains ...

A surprising fossil find shows that some mosasaurs lived in ancient rivers as oceans changed near the end of the Cretaceous.

Paleontologists in Utah are celebrating a rare and unusual discovery: a 50-million-year-old pile of vomit. Preserved in the ...

The oldest leech ever discovered has turned out to be a shape shifter of expectations, preserving a body plan that looks ...