NASA scientist warns Earth is due for an 'extinction-level event'

The Hale-Bopp comet in 1997.
(Image credit: George Shelton/AFP/Getty Images)

In news certain to take the bounce out of your step, a NASA scientist says Earth is due for an "extinction-level" event that we basically would have no way of stopping.

Dr. Joseph Nuth of NASA's Goddard Space Flight Center rang the alarm Monday in San Francisco, New York Magazine reports. The comet that spelled disaster for the dinosaurs hit 65 million years ago, and Nuth said the massive asteroids and comets that could wipe out civilization usually strike "50 to 60 million years apart," making such an event overdue.

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Catherine Garcia, The Week US

Catherine Garcia is night editor for TheWeek.com. Her writing and reporting has appeared in Entertainment Weekly and EW.com, The New York Times, The Book of Jezebel, and other publications. A Southern California native, Catherine is a graduate of the University of Redlands and the Columbia University Graduate School of Journalism.