Scientists Debate Claim That “Extinct” Dire Wolves Are Back ...

The jackalope is mythical, but Wyoming was home to an actual prehistoric rodent with two large horns on its head. The Ceratogaulus is one of the ...

Three hundred million years ago, dragonfly-like creatures with wingspans stretching 70 centimeters patrolled the skies of a world nothing like our own. These griffinflies, as paleontologists call them ...

Picture yourself dragging in your fishing net after a day at sea, only to catch a glimpse of a strange creature staring back ...

Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the International Science-Policy Platform on Biodiversity and Ecosystem Services ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

No one has seen a Caribbean monk seal for six decades, and none have been sighted in Florida in nearly a century. Now archaeologists say they have found a prehistoric tooth from the extinct animal, ...

The crocodiles were the last of their lineage. Unlike their cousins that lurked in the swamps, these terrestrial carnivores trotted around on land, where they snapped at prey with deep skulls full of ...

Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013, covering pets, animal rescue and wildlife. Curiosity Stream/YouTube Dire wolves, the canine companions from Game ...

Kostensuchus atrox was a top predator which lived just before the extinction of the dinosaurs, and likely chomped on them A newly-discovered species of a large, crocodile-relative predator has been ...