Author: Erin Garcia de Jesus

A waterborne pathogen flourishes while toads shelter underground. The finding may help conservationists rethink how to protect the threatened species.

The rare fossil hints that differences in plumage may explain why some Cretaceous-era birds survived an asteroid impact but others died.

The steps were poorly preserved, but still hint at an ambling pace of 1.6 meters per second, roughly equivalent to a quick walking speed for