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

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

(NEXSTAR) — This week, a Texas-based biosciences company, which aims to “de-extinct” animal species of the past (and ones that will go extinct in the future), said it managed to engineer three dire ...

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 ...

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

A species that was hunted to local extinction made a comeback on its historical range, scientists who witnessed the population recovery via satellite imagery said. The wolverine, listed as endangered ...