Long before dinosaurs, Earth’s forests were ruled by a many-legged giant. Here’s why this millipede’s size still challenges ...

Grizzly bears seem to strike more fear than other bears, perhaps because they can reach up to 8 feet tall on their hind legs and weigh up to 900 pounds! Believe it or not, some bears are even larger ...

New fossil discoveries reveal that colossal kangaroos from Australia’s Ice Age could still bounce across the landscape, despite their size.

It’s easy to assume P. goliah and other giant kangaroos lost their ability to hop as a result of all that bulk. After all, ...

An ancient giant kangaroo that lived in Australia 50,000 years ago likely hopped after all, according to new research.

Long thought to have walked bipedally, like us, Australia’s extinct giant kangaroos have features that indicate they could ...

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

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