These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

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

This proposal has drawn criticism from legal scholars and conservationists, who argue that habitat modification poses a major ...

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

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

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 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 ...

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 ...