On a small island in the South Pacific Ocean, a rare species once declared extinct in the wild has been rediscovered. Partula tohiveana, or the Moorean viviparous tree snail, was native to French ...

For decades, the coelacanthexisted only in fossil records—until one turned up in a South African fishing net. It was 1938 ...

Fifteen million years ago, now-extinct species of dolphins, whales and large sea cows roamed the world ... With no living relatives alive today, megalodon sharks were unique in that they were ...

The desert rat-kangaroo — a small marsupial species — was declared extinct in 1994. But, scientists believe it could be alive and “evading ... s skull were only found to be effective enough ...

Wild-born individuals of the species ... found in more than 40 years, experts said. Photo by Justin Hu via Unsplash On a small island in the South Pacific Ocean, a rare species once declared ...