Astronomers at NASA have gathered data on what may be one of the most spectacular comets stargazers have seen in decades thanks to observations from the space agency's Swift satellite.
The odds that a comet will hit Mars in October 2014 are 1/2000, slim, but more likely than winning the lottery.
Three men prepare to take off in what will be the fastest journey to the International Space Station yet.
The rings around Saturn are bodies that have been around for more than 4 billion years, from a time when the solar system was in its infancy, according to NASA. The recent coloring on the rings' surface is due to recent "pollution" from a rain of meteoroids from beyond the solar system.