The transition from swimming to walking involved some awkward first steps, according to a new study that recreated how one of the first animals, which left the sea for land, moved. The study found ...

Last week, officials said they believed that the Ohio train derailment had killed 3,500 aquatic animals. On Thursday, they provided a new estimate, pushing the total to more than 43,700 animals within ...

What is the 'most Canadian' animal? Spoiler: it's not the beaver, or the moose. A new study ranks species of terrestrial vertebrates in Canada by their level of Canadian evolutionary distinctness: the ...

Penguins and seals may rule Antarctica’s waters, but its largest land animal is a 6mm midge that “freezes” and dries out come winter—only to thaw and keep going when it’s warmer. Here is its story.

Researchers have identified a 3D fragment of fossilized skin that is at least 21 million years than previously described skin fossils. The skin, which belonged to an early species of Paleozoic reptile ...

Computer generated 3D illustration with the dinosaur Argentinosaurus. Fossilized bone fragments found in Neuquén Province in northwest Patagonia could belong to an exceptional large specimen of ...

Of all the animals ever to have roamed the planet, the iconic long-necked, long-tailed dinosaurs known as sauropods stand unrivaled. No other terrestrial creatures have come close to attaining their ...

On the remote British island of St. Helena, a tortoise named Jonathan resides as the oldest, known living land animal. His story has gained a lot of attention online. “Say hello to Jonathan. He was ...