This video examines one of South America’s most unusual predators and the traits that set it apart from typical hunters. Its ...

Results show that players’ choices echo predator-prey patterns seen in wildlife, though scientists stress the limits of the ...

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 ...

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.

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

One of the biggest quests in biology is understanding how every cell in an animal's body carries an identical genome yet still gives rise to a kaleidoscope of different cell types and tissues. A ...

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, ...

Across North America, mountain lions, bears and gray wolves have made a remarkable comeback over the last 50 years. Once nearly exterminated, these animals have been recovering their populations and ...