Some animals once believed extinct have stunned scientists by reappearing decades, centuries, or even millions of years after vanishing from the fossil record or disappearing from human observation.

THE remains of a “very rare” 320million-year-old fish have been discovered at a UK beauty spot. The fossil of the coelacanth ...

DENVER – The humpback chub, a rare fish found only in the Colorado River basin, has been brought back from the brink of extinction after decades of protection, though work must continue to ensure its ...