Earth's sixth mass extinction could already be underway

Life on earth is on the verge of a mass extinction comparable to that which wiped out the dinosaurs, scientists at UC Berkeley have warned.

One fifth of animals could be set for extinction

One in five vertebrate species could be set for extinction, says an international group of scientists.

Earth is 'in the middle of mass extinction'

You may not have noticed, but according to an Australian academic, we're currently in the middle of a mass extinction event comparable to that which killed off the dinosaurs.

Hawking says colonization not an option

Stephen Hawking believes humans must colonize additional planets or face mass extinction.

Climate change was major cause of mass mammal extinction

Climate change has been a significant factor in mass mammal extinction over most of the last fifty thousand years, according to an international team.

Evidence 'conclusive' that asteroid wiped out dinosaurs in days

A major international study has found overwhelming evidence that a massive asteroid impact in did indeed wipe out the dinosaurs 65 million years ago.