Argentinosaurus is often described as the largest land animal to ever exist, but its true size remains scientifically uncertain. Fragmentary fossils suggest a creature so massive that simple movement, ...

Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

When most people think of enormous animals, their mind probably jumps to giraffes or a grizzly bear. But the largest animals on Earth span a wide range of categories. Mammals comprise over 6,000 ...

Scientists discover thousands of new species every year, and a surprising number of those creatures end up named after pop ...

Scientists estimate we’ve identified somewhere around one-tenth of all species on Earth — meaning for every species with a name, roughly nine more are waiting in an unsampled river or an unexplored ...

Sleeping for only a few minutes at a time? While this might sound like a true ordeal for humans, it's no problem for some ...

A deep-sea camera captured the first-ever shark recorded in Antarctic waters - a 10- to 13-foot sleeper shark swimming 1,608 feet below the surface.

In its last matches of the season, Illinois (20-7-4, 61 pts.) takes on Cincinnati (20-5-3, 63 pts.) for the first time ever.

The Seacrest Wolf Preserve announced on Monday, it must vacate its current property by March 15.