A shy, ferret-sized predator called the coastal marten has been quietly hanging on in the forests of southern Oregon and northern California.

Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

The Tasmanian tiger, also known as the thylacine, officially went extinct in 1936. The last confirmed individual died in captivity after being locked outside during a cold night. But that date marks ...

Far too many animals from Earth’s second-most remote continent have gone extinct in the past 10,000 years. Here’s one such example. In the year 1930, a striking photograph was taken. To this day, it ...

Millions of years of isolation have shaped Australia’s extraordinary mammal fauna into species unlike anywhere else in the ...

Megalodon sharks were among the largest and most formidable predators ever to exist, dominating the oceans millions of years ...

Long before big cats, terror birds reigned as apex predators. Here’s how these flightless birds hunted, and why they went ...

(CNN) — Tens of millions of years ago, an apex predator resembling a giant crocodile stalked the humid freshwater floodplains of southern Patagonia. Measuring up to 11.5 feet (3.5 meters) long and ...

The Museum at Texas Tech is showing off a new collection of prehistoric fossils, including the remains of one dinosaur named ...