Meet animals that grow for a lifetime, sometimes for centuries, and discover why dinosaurs did not, despite their huge size.

Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

The origins of consciousness date back about 540 million years ago, when animal bodies became more complex. Feelings like ...

In 1989, paleontologist Darren Tanke suggested that similar breaks were the result of mating as one dinosaur mounted the ...

What's the value of one animal? When a wild animal is found badly injured, the most humane option is often euthanasia to ...

For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, ...

Livewell Animal Hospital of McKinney, which will be located in Shoppes at Stonebridge, is slated to open soon, according to a post on the company’s social media page.

For decades, caribou in Jasper National Park have been declining, and experts warned that without intervention, they would ...

A rare toad changed the fate of a river by becoming the first amphibian to halt a hydroelectric dam. It's now in trouble.

The time a spider plant mom remains tethered to her spiderette can be influenced by the daughter plant's environment.

This video explores the extraordinary phenomenon in which certain male animals transition into egg-laying females. It explains how hormonal shifts, social cues, and environmental conditions push these ...

Nine months after two cougar kittens were documented in the Upper Peninsula, a new trail camera photo indicates the elusive ...