It’s already baffling how many incredible and strange creatures can be found on planet Earth, with there being well over 8 ...

Fossil teeth of extinct megalodon sharks have grooves made by other megalodon teeth, hinting at violent encounters between ...

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

The 8-inch, bright pink slug has been isolated in a "sky island" for millions of years.

Roughly half a million years ago, a group of armadillo-like mammals, horses, and sloths met their end in a sinkhole in what ...

New research has identified the extent to which human colonization and hunting contributed to the extinction of New Zealand's ...