The shockwave from the Chelyabinsk meteor circled the Earth -- twice!

You know an explosion is powerful when an explosion requires a team of researchers who normally look for illicit nuclear bomb tests shift to study it. And yes, the group's results show that the Russian meteor created a big boom indeed. » 6/28/13 12:20pm 6/28/13 12:20pm

US government holds hearings on what to do about asteroid defense

Earlier this week, the US House Science, Space and Technology Committee held a hearing on asteroid defense. With the Russian asteroid strike fresh in the public's mind, it was a good time to discuss how prepared we are for the next incoming space rock. » 3/21/13 12:23pm 3/21/13 12:23pm

Why you're more likely to die from a meteor strike than a lightning…

It seems that the best way to predict future behavior is to look at past behavior. But if you had the chance to bet on which is more likely to kill you, lightning or a meteor — then, believe it or not, you should choose the meteor, even though no meteor has ever killed any human. Find out the strange odds, below. » 9/12/11 7:40am 9/12/11 7:40am

The Real Reason I'm Disappointed in Orson Scott Card

Orson Scott Card's homophobic views aren't exactly news — they've been a source of online controversy for years. It's only newsworthy when Card does something especially notable, like rewriting one of the world's greatest ghost stories into an anti-gay screed. » 9/08/11 10:40am 9/08/11 10:40am

And now, the Perseid shower from the International Space Station

Earlier today, we saw the International Space Station fly by a Perseid meteor from an earthbound vantage point. Now check out a Perseid meteor as photographed (and tweeted) by astronaut and ISS visitor Ron Garan. We always see them coming (but almost never see 'em going). » 8/14/11 7:15pm 8/14/11 7:15pm