Nearly two decades ago, scientists in Newcastle came surprisingly close to resurrecting the extinct gastric brooding frog.

Why did this extinct bird have such a weird, long toe? B Becky Ferreira (Trilobites): Some 99 million years ago, a small animal with a weird elongated toe died and became partially entombed in amber.

Historic European accounts long described the canids as domesticated dogs. A new study suggests that’s probably not true.

Explore 7 fascinating species that were once thought extinct but made a stunning return. From the Coelacanth fish to the Lord Howe Island Stick Insect, learn how nature defied expectations.

Spicomellus is a type of ankylosaur - heavily armoured herbivores which had bony skins similar to turtles, and lived from the ...

Just 4,000 years ago, when the first human civilizations had established themselves in Mesopotamia and Egypt, mammoths were still alive on Wrangel, a remote Arctic island. This Tuesday, the same team ...

DVUR KRALOVE, Czech Republic — (AP) — Four Barbary lion cubs were born recently in a Czech zoo, a vital contribution for a small surviving population of the rare lion that is extinct in the ...