Halley's Comet won't be back for half a century, but tonight Earth will move through some of the debris the comet left behind, creating a spectacular meteor shower – if you live far enough south.
Meteor shower August 2010 peak comes early Friday. Emanating from the constellation Perseid, the meteor shower could yield sightings in some locations of up to 75 meteors an hour.
A meteor storm predicted for next year could imperil satellites and the space station, say NASA experts.
Draconid meteor shower: NASA is assessing the risk to spacecraft posed by the upcoming 2011 Draconid meteor shower, a seven-hour storm of tiny space rocks.