NASA Science News for June 25, 2013
The count of known asteroids and comets that can come close to Earth continues to climb. The 10,000th near-Earth object, asteroid 2013 MZ5, was detected on June 18, 2013, by the Pan-STARRS-1 telescope.
FULL STORY: http://science.nasa.gov/science-news/science-at-nasa/2013/24jun_neo/ (http://science.nasa.gov/science-news/science-at-nasa/2013/24jun_neo/)