The latest word on a helicopter crash in Siberia is that seven people were killed, including a Russian lawmaker. ...more

January 11, 2009

A group of scientists, joined by a member of Congress, used the 100th anniversary of the Tunguska asteroid event this week to draw attention to their concern that the United States is not doing enough to defend the planet against the dangers posed by near-Earth objects. ...more

July 5, 2008

The chance of a football field-sized asteroid plowing into Mars next month has been increased to 4 percent, scientists said Friday after analyzing archival data. ...more

December 29, 2007

Talk about your cosmic pileups. An asteroid similar to the one that flattened forests in Siberia in 1908 could plow into Mars in the next few weeks, scientists said. ...more

December 23, 2007

Nothing says hockey season like Ducks-Kings in London. ...more

October 3, 2007