The specimen Rapp caught was an adult female he estimated to be about an inch to an inch and a half long. According to the ...

Scientists also declared several other extinctions, including the first documented plant extinction in New Hampshire.

For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

Since European colonisation, predators like foxes and feral cats have driven countless animals to the brink — or wiped them out entirely. These relentless invaders outcompete their local counterparts ...

There are only 10 or less of this little porpoise species left in the world. What can be done to save the vaquita?

A new review has documented the remarkable journey of Australia's most critically endangered marsupial, the Gilbert's potoroo ...