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 extinction that ended the Age of Dinosaurs is best known for clearing the way for the Age of Mammals on land. Scientists have long suspected that the same catastrophe also transformed life in the ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration of the diversity of 62.2-million-year-old fish found in the Qreiya 3 fossil site. The discovery tells of a ...

THE remains of a “very rare” 320million-year-old fish have been discovered at a UK beauty spot. The fossil of the coelacanth was found at Roundhay Park in Leeds by Ru Smith from the ...

A member of the Yorkshire Geological Society has found the fossilised skull bone of a coelacanth in Roundhay Park – the ...

The specimen also followed an unusual path into the scientific record.

Scientists are increasingly worried we may be witnessing the start of the “sixth mass extinction” – the first to be caused by human activities. Five earlier mass extinctions, caused by dramatic but ...

Paleontologists excavating a 62.2-million-year-old rock layer in Egypt have uncovered a petrified aquarium. The unexpected cache of fossilized fish—containing about 500 specimens from more than 20 ...

An unexpected haul of nearly 500 fossilized fish in Egypt provides an unprecedented picture of how sea life rebounded from the asteroid that killed the dinosaurs. Illustration of the diversity of 62.2 ...