Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

For many people, thinking of Ice Age animals evokes images of woolly mammoths, saber-toothed tigers and giant sloths. But in ...

Giant kangaroos that lived during the Ice Age may not have been as slow and grounded as once believed. A new study finds ...

Giant ancestors of modern-day kangaroos—which previous research has estimated could weigh up to 250 kilograms—may have been ...

Scientists previously thought hopping was impossible for Protemnodon goliah.

Over 150 years ago, a fossilized organism known as Prototaxites emerged as an enigma regarding what early land life may have ...

Prototaxites are something of a prehistoric mystery. They were the first giant organisms on land, towering over ancient ...

Despite their enormous size, giant ancient kangaroos may have been capable of hopping in short, powerful bursts.

An ancient and enormous organism called Prototaxites, initially found to be a type of fungus, may actually be an unknown ...