Extinction Events

Frequently Asked Questions: Earth Impacts, Craters and Extinction Events

Luis Alvarez Subatomic particles and dead dinosaurs Monday, June 13, 2011

Close Neighbor A neighbor crowds in a little Saturday, November 8, 2008

Life and Death Life and death from the cosmos Friday, July 4, 2008

Homeworld Security Looking for threats from beyond Earth Thursday, July 3, 2008

Extraterrestrial Extinctions Did the mammoths forget to duck? Wednesday, July 2, 2008

Crater Connection From the Moon to the dinosaurs Friday, January 18, 2008

Peeking at a Planet Sunday, October 25, 2009

Rocky Targets Tuesday, September 5, 2006

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