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 are working to revive twelve extinct animals—including the woolly mammoth, dodo, Tasmanian tiger, and passenger ...

When an animal moves from the endangered species list to being officially extinct, it's undeniably a sad day. The creature ...

Back in 1999, the BBC’s Walking with Dinosaurs series spawned a new format: wildlife “documentaries” featuring long-extinct animals. I’m a big fan of this genre, and Prehistoric Planet: Ice Age, made ...

Recent animals extinctions are a warning that we need to change the way we live as if we don't me may loose some of the planets most iconic animals. We are currently in a mass extinction event as ...

In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...

Brandon Ballengée’s ‘Frameworks of Absence’ (2006–ongoing) in the Ronald Feldman Fine Arts booth at the 2015 Armory Show (photo by Jillian Steinhauer/Hyperallergic) (click to enlarge) The animals have ...

Two marsupial species thought long extinct, until now known only from fossils, were found alive in New Guinea through a collaboration of scientists, indigenous communities and citizen scientists.

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,” ...

About 95 million years ago, a juvenile crocodyliform nicknamed Elton lived in what is now southwest Montana at the edge of the Western Interior Seaway. Measuring no more than 2 feet long from nose to ...

Scientists from Oregon State University looked at coastal martens in the town of Klamath for three months Gabrielle Rockson is a Writer-Reporter for PEOPLE. She joined PEOPLE in 2023 and covers ...