The long and tumultuous history of asteroid (21) Lutetia is revealed by a comprehensive analysis of the data gathered by ESA's Rosetta spacecraft when it flew past this large main-belt asteroid on 10 July 2010.

NASA's Cassini spacecraft made its closest approach to Saturn's tiny moon Methone as part of a trajectory that will take it on a close flyby of another of Saturn's moons, Titan.

In two more weeks, the Earth will get to view a spectacle that hasn't been seen in eight years, and will not be seen again until 2117.

NASA has just received observations from its WISE mission, giving them the best assessment thus far of how many potentially hazardous asteroids are floating around in our solar system.

WASHINGTON, May 16, 2012 /PRNewswire-USNewswire/ -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of