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Galaxies M-81 and M-82 shine against the starry background in this image, which covers just over one square degree of sky.
On the night of May 5, NASA meteor expert Bill Cooke will answer your questions about the 2013 Eta Aquarid meteor shower.
On the night of April 22-23, you can watch for Lyrid meteors via a live Ustream view of the skies over Marshall Space Flight Center.
NASA captured a stunning view of comet Pan STARRS on March 12, 2013, as it achieved near-peak brightness while crossing the evening sky.
Asteroid 2012 DA14, a small near-Earth asteroid, passed very close to Earth on Feb. 15, 2013, with no threat to our planet.
Named after an extinct constellation, the Quadrantids presented an excellent chance to start 2013 with some meteor watching.
The 2012 Geminid meteor shower is always a good show! On the night of Dec. 13-14, NASA astronomers answered your questions via live Web chat.› Learn more
Get the latest news, images and videos about eclipses happening around the world.
Take a photojourney through the solar system for close-up views of comets and asteroids.