Learn more about these space rocks orbiting the Sun. more
What do astronomers really mean when they use those technical terms? more
Dates and tips on how and where to see shooting stars from meteor showers all over the world. more
Comets are small celestial bodies that orbit the Sun. Primarily made of dust and ice, many have a tail (coma) and are thought to be remnants of the formation of the Solar System. more
Dates and tips on how and where to see "shooting stars" from meteor showers all over the world. more
On Monday, January 26, 2015 asteroid 2004 BL86 flew by at only 3 times the distance of the Moon from the Earth. It will be the largest celestial body to come this close to Earth until 2027. more
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