Long before whales and sharks, enormous marine reptiles dominated the oceans with unmatched power. Scientists have reconstructed a 130-million-year-old marine ecosystem from Colombia and found ...

Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.

A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs. The newly discovered dinosaur, Joaquinraptor casali, preyed on the soggy ...

Hunting is considered critical to human evolution by many researchers who believe that several characteristics that distinguish humans from our closest living relatives, the apes, may have partly ...

Come for the presents. Stay for the baggage.

One of the biggest quests in biology is understanding how every cell in an animal's body carries an identical genome yet ...

When people build cities and introduce invasive creatures, resident critter populations sometimes adapt Brian Handwerk - Science Correspondent When humans build cities and introduce invasive species, ...

Each year on the Serengeti, hundreds of thousands of wildebeest calves are born within weeks. Here's how the young predators ...