mass extinction event

Mass extinction events have ravaged life on Earth at least five times over the last 450 million years or so — and we're now experiencing the sixth.

Going Extinct

"We don't think there's a positive ending; we think it's kind of a disaster."

A Mass Extinction Has Already Started, Scientists Say

An MIT geophsicist said that humans are on the brink of causing a sixth mass extinction event due to the amount of carbon pumped into the air and oceans.

So Long, Farewell

He’s been talking about it for years now — but nobody’s listening.

MIT Scientist Says We're on the Brink of a Mass Extinction Event

According to a new study, a supernova some 65 light-years from Earth caused a mass extinction event during the Late Devonian period, 359 million years ago.