What if extinct animals weren't really extinct? Forrest Gallante, a wildlife biologist, is scouring the globe using cutting edge technology on his mission to find species that the world has stopped ...

When an animal moves from the endangered species list to being officially extinct, it's undeniably a sad day. The creature has gone the way of the dinosaur and the dodo, but on occasion, scientists ...

In 2008, the International Union for Conservation of Nature (IUCN) declared the Javan tiger, a subspecies of the Sumatran tiger, extinct. More than 20 years later, a conservationist living on the ...

A tiny marsupial species declared extinct decades ago may still be hopping around in the deserts of Australia — and a new study offers a potential roadmap for its rediscovery. The desert rat-kangaroo, ...

MAKAWAO, Hawaii — Five Hawaiian crows on Wednesday were released on Maui for the first time as part of an ongoing effort to return the species to its home, conservationists said. The Hawaiian crows, ...

The desert rat-kangaroo — a small marsupial species — was declared extinct in 1994. But, scientists believe it could be alive and “evading detection,” according to a new study. Photo from Flinders ...