Evidence of this explosion is present throughout the Burgess Shale, leading to its establishment as a world heritage site by UNESCO in 1981, NPS said. Yoho National Park is in the Canadian Rockies of ...

A viral video of a hippo farting at a zoo in China has left the internet in splits, with netizens dubbing it a “gas attack.” ...

Around 500,000 years ago, at the corner of what is now Jamboree Road and the 405 freeway in sunny, bustling Orange County, a ...

A newly described species from the Burgess Shale had three eyes, clawed limbs, and a tail full of gills—plus internal organs ...

A study in Uganda shows how often chimps use medicinal plants and other forms of health care — and what that says about the roots of human medicine.

But Mosura was different. Instead of the familiar streamlined body with flaps and claws, this little predator had something ...

Cambrian Period creatures known as sea moths seemed alien because of their additional eye, but a study finds anatomical ...