This semi-aquatic mammal may look improbable, but its biology reveals how evolution shapes even the strangest mammal bodies.

Researchers at Texas A&M University have developed a two-step process that stimulates regeneration of bone, joint structures, and ligaments in mammals, challenging the belief that such regeneration is ...

Ticklish laughter appears across primates and triggers ancient brain circuits. Yet after two millennia of inquiry, its ...

A two-step treatment redirects healing from scarring to regeneration, enabling regrowth of bone, ligaments, and joints, and ...

Think it’s just a hole in the ground? It could be a snake’s hideout. Even a small hole in the ground can raise many doubts, ...

Are humans natural born runners? Here’s why evolutionary and anatomical evidence suggests running was more central to our ...

A remarkably preserved, mummified reptile from 289 million years ago is rewriting what we know about how animals first ...

Your pet goes limp, silent, and frighteningly still. Your thoughts spin while the clock races forward. In that moment, clear, ...

One fascinating creature spends its winters beneath four feet of Antarctic sea ice, diving to nearly 2,000 feet in water cold ...

Weasels are small carnivores with a long body and short legs. They also have a stout skull and sharp teeth. These creatures, ...