A tiny fish long feared lost has resurfaced in Bolivia, offering a rare conservation success story amid widespread habitat destruction. Moema claudiae, a seasonal killifish unseen for more than 20 ...

For years, scientists assumed one small freshwater fish had slipped out of existence without much notice. Moema claudiae ...

A fish previously declared extinct has been released back into the wild in Australia. The olive perchlet, a small oval-shaped fish with large eyes, was considered extinct in Victoria, Australia, in ...

"We now have the opportunity to preserve this species in the wild." Scientists rediscover creature thought to be extinct for ...

The ivory-billed woodpecker, along with 22 other species of birds, fish, mussels and other wildlife, is set to be declared extinct and removed from the endangered species list, US wildlife officials ...

A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our teeth evolved from the piercing “body armor” of extinct fish, which ...

Missouri’s drinking water has an unlikely guardian: a tiny endangered fish found only in Perryville’s cave system.

In 2025, animal and plant life continue to be threatened by a number of factors, including hunting, habitat loss or ...

Our modern teeth evolved from a most unexpected source. A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our teeth evolved ...