News tagged with mass extinction

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Extinction runs in the family

(PhysOrg.com) -- Global calamities like the one that doomed most dinosaurs forever alter the varieties of life found on Earth, but new research shows that it doesn't take a catastrophe to end entire lineages. ...

Aug 06, 2009
4.7 / 5 (11) 3

Getting WISE About Nemesis

Is our Sun part of a binary star system? An unseen companion star, nicknamed 'Nemesis,' may be sending comets towards Earth. If Nemesis exists, NASA's new WISE telescope should be able to spot it.

Mar 11, 2010
5 / 5 (10) 2

Impact mitigation

The save-the-Earth rehearsal mission Don Quijote, commissioned by the European Space Agency, is planned to test the potential of a real life-or-death mission to deflect a mass-extinction-inducing asteroid from a colli ...

Aug 15, 2011
4.8 / 5 (10) 14

New technique unlocks secrets of ancient ocean

Earth's largest mass extinction event, the end-Permian mass extinction, occurred some 252 million years ago. An estimated 90 percent of Earth's marine life was eradicated. To better understand the cause of ...

Oct 11, 2011
4.8 / 5 (10) 0 | with audio podcast