New fossil studies reveal that ancient predators like saber-toothed cats vanished rapidly after their primary prey species ...

In two new studies, researchers at the State University of Campinas (UNICAMP) in the state of São Paulo, Brazil, have shed ...

Ambitious projects aim to put dire wolves, woolly mammoths and passenger pigeons back into our ecosystems. But with so many ...

North America once hosted an impressive array of megafauna that would seem almost mythical to modern observers. From towering mammoths to predators that dwarfed today’s largest carnivores, these ...

If large creatures like elephants, giraffes and bison are allowed to thrive, they could alter habitats that allow for the ...

The Jurassic Games: Extinction takes an adventurous bite out of reality-television culture, but does so with choppy storytelling and not-quite-polished visuals.

Climate change and habitat loss could cause more than 500 bird species to go extinct in the next 100 years, researchers from the University of Reading have found.

The footage from a Northern California photographer revealed a rare species in broad daylight at Lassen Volcanic National Park.

A space physicist has suggested that a reversal of the Earth’s magnetic poles may have wiped out the Neanderthals.

Back in 1982, biologist Daniel Janzen and paleontologist Paul Martin suggested that many tropical trees evolved oversized, sugary fruits specifically to lure now-extinct megafauna. These included ...

— How many people can Earth support? If humans were to go extinct, it could open up opportunities for other animals to flourish on Earth.