Tonight, why not pop ouside and have a look up at the night sky. Assuming it's a clear night, it's pretty isn't it?
Unfortunately, all those stars may look glittery, timeless and above all else, stationary, but we're in a crowded neighbourhood and there's quite a few lumps of spinning rock out there with 'To whom it may concern' stamped on the side.
According to Wired's The Real Twitpocalypse: Asteroid Alerts Come to Twitter, NASA has set up its own Asteroid Watch Twitter feed to keep you up to date on all the comets, asteroids, and other celestial objects that pose a threat to the Earth. The feed is a companion to the newly-launched Asteroid Watch website, operated by NASA's Jet Propulsion Laboratory.
So that's a relief. We already guessed Twitter was a sign of The End, but who knew it'd be the first place we'd hear of it?
And if you're looking for recent near-misses, you can also check out Tom Taylor's lowflyingrocks feed.