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 ...

A tiny fish long feared lost has resurfaced in Bolivia, offering a rare conservation success story amid widespread habitat ...

Researchers have rediscovered a rare fish species presumed to be extinct after it was not seen for more than eight decades.

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 ...

Habitat loss, deforestation, the illegal wildlife trade and climate change are pushing these extraordinary species towards ...

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 ...

Hundreds of tiny endangered fish slipped from orange plastic buckets into a glittering lagoon in Malibu on Tuesday, returning home five months after being whisked away from threats wrought by the ...

As a conservationist, outdoor writer and Pennsylvanian who spends hours in the field, I am alarmed by the current administration’s attempt to weaken the Endangered Species Act. This landmark law has ...

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 ...