By definition, this means that Earth has entered a mass extinction event.

Do we sit back and watch an extinction event in northern Iraq?

Some feared that the gathering extinction event might soon overwhelm mankind: the dieback.

The specific extinction event that's about to happen is a subspecialty.

Traces of this near- extinction event still show up in DNA today.

But, much later, they had evidently suffered their own extinction event.

We will re-seed them with Garden's native life forms after the extinction event.

Video Image Is earth experiencing its first "mass extinction event" since dinosaurs?

No doubt many native insects would survive the extinction event.

Could we actually have prevented that kind of extinction event?'

Barring a major extinction event and the cat next door, she would outlive everything.

Each mass extinction event seemed to change the rules.

Have you heard we're living through a mass- extinction event?

For the first time, however, a species could be the cause of a mass extinction event.

EARTH'S sixth great extinction event has already begun.

This is further evidence that we are well on the way to the next great extinction event.