The Ordovician-Silurian mass extinction event may have wiped out some 85 percent of species, including many of the invertebrates this period is known for. Some scientists hypothesize the extinction ...

The Ordovician-Silurian mass extinction event may have wiped out some 85 percent of species, including many of the invertebrates this period is known for. Some scientists hypothesize the extinction ...

The new life burgeoning on land apparently escaped the worst effects of the mass extinction that ended the Devonian. The main victims were marine creatures, with up to 70 percent of species wiped out.

Sharks have roamed the open seas for close to half a billion years and have witnessed the Earth’s evolution from a primordial ...

Will modern coral reefs go extinct? The answer is uncertain, but some of their ancient counterparts managed to dodge a bullet ...

By the middle of the Devonian (380 million years ago), the genus Antarctilamna had appeared ... The end of the Permian Period (252 million years ago) saw yet another mass extinction event, wiping out ...

He said asteroids may have contributed to older mass extinction events, like the one during the Late Devonian period. Future research could explain the origins of these asteroid strikes as well.