A prehistoric "crime scene" involving a marine reptile eating one of its flying cousins before being killed by the "T-rex of ...

Tunas did not become large, fast and warm-blooded simply because an asteroid cleared the oceans of competing predators. Their defining traits appeared separately over tens of millions of years, ...

Add Yahoo as a preferred source to see more of our stories on Google. A 3D-printed version of the K. atrox skeleton found in Argentina's southern Patagonia. A hyper-carnivore, this ancient relative of ...

Add Yahoo as a preferred source to see more of our stories on Google. PHOTO: A wolverine in Kuhmo, Finland. (Sergio Pitamitz/VWPics/Universal Images Group via Getty Images) A species that was hunted ...

Earth once hosted more than 10,000 species of these ancient marine predators. Find out how they lived, when they vanished, ...

Leviathan melvillei was one of the most terrifying marine predators to ever exist, dominating the oceans millions of years ...

Volunteers armed with chisels, brushes and protective goggles chip away at rock encasing the bones of a massive prehistoric ...

By cannibalizing their siblings in the womb or avoiding meat-eating pliosaurs, fearsome carnivores like the megalodon ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have used DNA and RNA from a preserved thylacine (Tasmanian tiger) head to reconstruct nearly the entire genome of the ...

Ichthyosaurs were the main predators of the oceans millions of years ago. Like reptilian dolphins with a mean streak, they grew between 10 and 43 feet long and had a long snout armed with viciously ...

The phrase ‘dead and gone’ may no longer be so apropos. Nearly 90 years after its extinction, scientists are now are attempting to resurrect the Tasmanian tiger (officially known as a thylacine), a ...