Despite the fact that over 20 species are going extinct every day, many animals have been able to adapt to be able to survive for millions of years, like the dinosaur relatives still alive today.

Some animals once believed extinct have stunned scientists by reappearing decades, centuries, or even millions of years after vanishing from the fossil record or disappearing from human observation.

Scientists say they have identified an extinct crocodile species from about 45 million years ago in the limestone formation ...

Egypt’s Great Sphinx could be hiding fossils of a long-extinct animal – but one scientist has warned against trying to find the dead beast ...

Colossal Biosciences brought back 20 key segments of extinct dire wolf DNA into living, breathing, wolf pups—and the tech ...

Ancient DNA shows the extinct “American cheetah,” Miracinonyx trumani, was actually the sister species of modern pumas, with ...

Scientists still debate the purpose of this dinosaur's iconic horns and spiky head plate. Find out what we’ve learned about ...

In a new study released Friday, scientists say DNA extracted from the bones of a prehistoric "American cheetah" found in Wyoming's Natural Trap Cave ...

Earth once hosted more than 10,000 species of these ancient marine predators. Find out how they lived, when they vanished, and how much we know about them today.

The music produced for Apple TV's "Prehistoric Planet" was created in part with custom instruments made from actual fossils and replicas of skulls. Apple's streaming service is home to a variety of ...

In the world of biology, being declared extinct is usually a permanent sentence, but nature occasionally loves to prove us wrong. These incredible animals, often referred to as “Lazarus species,” ...

The ocean covers about 70% of Earth, and beneath the surface have lived some of the largest and most mysterious creatures to ever exist. While it's hard to accurately label the 10 biggest marine ...