Would you rather fight a horse-sized duck or 100 duck-sized horses? The famous question, though implausible, reflects a ...

Genetic sharing among evolutionary neighbors all happens through hybrids: the offspring produced when individuals from two ...

Researchers have found that fossilized dinosaur eggshells contain a natural clock that can reveal when dinosaurs lived. The ...

Twins are pretty rare, accounting for just 3% of births in the US these days. But new research shows that for primates 60 ...

The humble planarian flatworm can regrow its brain. Here’s how this tiny animal will have you rethinking everything you ...

After decades of excavation and debate, a new analysis argues that Little Foot — one of the most complete hominin fossils ...

A new study shows that Cleveland's famous sea monster Dunkleosteus terrelli actually had a more normal size and jaw than thought.

This video highlights five of the most unusual symbiotic relationships found in the natural world. Researchers explain how ...

From stalking jaguars to leaping lemurs, these award-winning images reveal the raw beauty and biological marvels of wildlife ...

A new study shows how ants grow huge colonies by choosing numbers over strength and relying on teamwork instead of tough ...

Far below the turquoise waters and pink-sand beaches of Bermuda, scientists have stumbled on something that should not be ...

A remarkably preserved horseshoe crab fossil from North America offers rare insight into some of the earliest known cases of ...