In the last ten years, at least 15 species have officially checked out, never to be seen again. It's ironic to think how ...

De-extinction — the science of resurrecting extinct species — is progressing in leaps and bounds. Here are six creatures that researchers could bring back to life.

Reintroduction of captive-bred animals has had mixed success. This California butterfly lost habitat to grazing and drought and is considered to be extinct. The last live one was seen in the wild ...

Megalodon have always been compared to the modern great white shark. Scientists have found a reason why it shouldn't be.

Colossal Biosciences cofounder and CEO Ben Lamm is worth $3.7 billion following the company's recent fundraise at an eye-popping $10.2 billion valuation. But it has yet to be paid for reviving extinct ...

The purpose: to capture for posterity species that someday might be extinct ... nearly 10,000 animals in the Ark. He plans to keep going to 15,000, which could take another 10-15 years.

Fifteen million years ago, now-extinct species of dolphins ... Still, Shimada’s findings on how giant sea animals’ size affect their speed could help us better understand the evolution ...