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A huge rock the size of a mountain will come close to Earth just before the date of the rumored end of the world. Uh-oh.
Evasive actions had to be taken to ensure the spacecraft wouldn't end in a massive collision high above Earth.
A NASA representative tells the Associated Press that the bright object seen by many along the East Coast of the U.S. last night may well have been a meteor.
As the megahit Psy song "Gangnam Style" sails past its prime, students and interns at NASA's Johnson Space Center give it a proper send off, featuring lyrics peppered with references to space and science.
On the evening of December 13, the peak of the Geminid meteor shower promises a spectacular show of shooting stars.