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Tuguska Explosion: 100 Years Later, Still Unsolved

One hundred years ago today, June 30th, 1908, a great explosion rained Hell over Siberia, flattening 830 square miles of forest. Easily big enough to destroy a city, the 30-meter diameter space rock missed Moscow by about 4 hours. And it will happen again. But even as we track the objects headed our way in the next… » 6/30/08 2:00pm 6/30/08 2:00pm

10 Scariest Asteroid Attacks on Earth: The Near Hits and Approaching Terrors

When it comes to comet impacts, the denizens of Earth may be living on borrowed time. Of course, comets are only about half the problem — there are plenty of asteroids whizzing around the inner solar system too — so we decided to have a look and see just how close modern society has come to destruction since 1900,… » 6/20/08 12:20pm 6/20/08 12:20pm