Animals considered extinct for 6,000 years just re-emerged in a New Guinea rainforest ...

Researchers say the remarkable discovery was made using fossils, photos and a misidentified museum specimen ...

Maryland leaders are considering a bill that would make the extinct megalodon the official state shark.

Scientists have confirmed that two marsupial species, known only from ancient fossils for more than 7,000 years, are still ...

For the first time, Colossal BioSciences unveiled its Dallas labs where it is spending millions of dollars researching how to ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

For thousands of years, scientists knew of two tiny marsupials in New Guinea only through fossils and local legend. Researchers had long considered these species extinct. However, a team recently ...

Until now, scientists have only known about the animals from fossils. But they suspected the creatures might still be alive, ...

Presumed extinct for more than 50 years, the wonderful takahē is still very much alive. As this Instagram post shows, it is a ...

In paleontology, lineages that drop out of the fossil record and then re-emerge after long periods are termed ‘Lazarus taxa.’ ...