Research shows humans caused the extinction of most giant animals shortly after arriving in new regions, reshaping ecosystems ...

Earth once roamed with creatures beyond imagination—towering predators, colossal grazers, and alien-looking giants. Some ...

Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly ...

Malaysian giant turtles are classified as critically endangered because of their "slow reproductive cycle" and are "often caught as bycatch in commercial and artisanal fisheries," per the study.

For Ghost, a 45-pound octopus believed to be between 2 and 4 years old (the average lifespan for her species), it means ...

Researchers scoured mountainous areas on their hands and knees looking for signs of the rare species’ survival, according to wildlife officials.

The animal kingdom showcases remarkable adaptations, particularly in the form of long tongues. From giraffes plucking leaves ...

Long before vampires and werewolves became the pop-culture creatures of choice, Frankenstein’s Monster stood alone as ...

Researchers often rely on fossil teeth for clues about what extinct animals ate. Giant ground sloths’ teeth have been tricky to analyze, though – until now.

Halloween telescope image reveals bat-shaped stellar nursery where infant stars are born. The cosmic creature spans four full ...

Creature features have been going strong since well before the year 2000, but some of the best of the 21st century include ...

After escaping reportedly horrific hoarding conditions, more than 100 Cheyenne animals are finding new homes. Their ...