In 2001, researchers found fewer than 30 individuals on the small islet of Ball's Pyramid, the world's tallest and most isolated sea stack (tower of volcanic rock) that's 14 miles off the coast of ...

The houting, a fish species that lived in North Sea estuaries and is officially extinct, turns out to be alive and well. Researchers from the University of Amsterdam and the Natural History Museum ...

Sometimes, an animal that was thought to be extinct will show up somewhere remote, and we can rejoice that we have another chance to save it. From the prehistoric fish that experts thought had been ...

A species of clam is back from the dead. Known as Cymatioa cooki , the clam had only ever been found as a fossil, and scientists presumed that the species had been extinct for more than 40,000 years.

Many species thought to be extinct have reappeared in recent years, proving that nature still holds many secrets. From elusive mammals in South America to deep-sea fish, these rediscoveries shed ...

A tortoise from a Galápagos species long believed extinct has been found alive and now confirmed to be a living member of the species. The tortoise, named Fernanda after her Fernandina Island home, is ...

The coelacanth is not the only species rediscovered after going "extinct" in local populations. In April, a highly venomous sea snake was found in Australia for the first time in 23 years.

Tree lobster thought to be extinct for 80 years found alive clinging 500ft up on remote Pacific rock taller than Empire State Building By ROB WAUGH Updated: 13:39 EDT, 2 March 2012 ...

In 1990, officials found a resurgence of illegal killing and hunting of the animals, mainly in the southern part of the island. Image of a longhead darter. The fish was believed to be extinct in ...

Believed to be extinct for more than a century, a rare species of giant tortoise is in fact still alive. Scientists assumed that the chelonoidis phantasticus had died out more than a century ago.

At least 67 species -- a little more than a third of those presumed to be extinct -- were later found again. And in most cases, these were animals that had been hardest hit by habitat loss.

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.