mass extinction

The Tonight Show with Jay Leno

Tonight Show with Jay Leno

A discussion of Pluto, Apophis, and life on Mars on the Tonight Show with Jay Leno.

NOVA ScienceNOW: Extinctions

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NOVA scienceNOW producer Joe McMaster asks our series host, Neil deGrasse Tyson, why everyone should know about the Permian extinction.

Asteroid Impacts and Extinction

NOVA ScienceNOW's Cosmic Perspective

Find out why we can't live with asteroids and we can't live without 'em.

Coming Attractions

Natural History Magazine

What's in store for Earth?

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