In 2005, NASA carried out one of the most unusual experiments ever attempted in space. A spacecraft called Deep Impact ...

Add Yahoo as a preferred source to see more of our stories on Google. On January 12, 2005, NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. Two spacecraft ...

Scientists on the trail of comets in deep space "reluctantly" announced Friday an end to NASA's Deep Impact mission after nearly a decade that included celestial fly-bys and hundreds of thousands of ...

(Phys.org) —NASA today announced the end of operations for the Deep Impact spacecraft, history's most traveled deep-space comet hunter, after trying unsuccessfully for more than a month to regain ...

NASA's Deep Impact spacecraft is on course for a July 4 encounter with comet Tempel 1, but mission officials are trying to determine why one of the probe's telescopes has not focused properly, the ...