Previous research indicated that kangaroos weighing more than about 350 pounds would rupture their ankle tendons if they tried to hop. The largest of the Ice Age kangaroos, Procoptodon goliah, which ...

While the Zoo was closed, staff members captured some rare scenes of the animals experiencing the falling snow.

Size shapes the way animals move, hunt, and survive. For example, in the ocean, ginormous creatures rely on their massive bodies to travel long distances or ambush prey. On land, there are large ...

Giant stick insects are some of the most expensive insects to purchase, as they're incredibly fascinating and fragile.

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

In the Mesozoic Era, dinosaurs were the undisputed rulers of the land. The Argentinosaurus, possibly the largest dinosaur ever, stretched up to 100 feet long and weighed around 100 tons. These ...

These giant animals roam the planet, yet sightings are so rare that many people doubt they exist at all. Their remote habitats and secretive behavior make them nearly impossible for researchers to ...

Giant 550 pound kangaroos could still hop scientists prove by studying fossil bones and calculating forces on ancient tendons ...