Comparing the moon rocks brought back from the Apollo missions to howardite and eucrite meteorites, researchers have determined that an event known as the lunar cataclysm 4 billion years ago peppered both the moon and a far-off asteroid.
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The 11th Worst Super Bowl in History How do you measure Super Bowl mediocrity? Slate correspondent Justin Peters stacks them up.
Watch Christiane Amanpour Investigate the Late Show With Stephen Colbert in a Charming, Funny Sketch
Why You Hated the Super Bowl It was hard to tell if it was a great defensive contest, or a terrible offensive one.