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 ...

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 ...

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 ...