A fossil discovery from Alabama reveals a rare and dramatic glimpse into the dangers of Cretaceous oceans, where even top predators were vulnerable.

Evolution rarely hits delete. Instead, it leaves behind living relics built for animals that no longer exist. Avocados are one of them.

Author Paul Eastwick, also a psychology professor at UC Davis, talks about compatibility and lasting love -- and the myths.

Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every ...

Most people alive today carry fragments of Neanderthal DNA in their genome. Now scientists are gaining a more intimate understanding of the ancient encounters that put it there. By Carl Zimmer One of ...

In the long shadow of the asteroid that wiped out the dinosaurs, life appears to have bounced back with surprising speed. A new analysis of sedimentation rates suggests that the first wave of marine ...

Dark-eyed junco songbirds have been serenading the University of California, Los Angeles campus for decades as they forage for food. The species from the sparrow family is not usually found in cities.