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 ...

NASA's Deep Impact spacecraft is running on fumes after chasing down two comets in the last five years, but the probe's cosmic work may not be done yet. Subscribe to read this story ad-free Get ...

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 ...

If the $333 million mission is successful, Deep Impact will be the first spacecraft to touch the surface of a comet. In 2004, NASA's Stardust craft flew within 147 miles of Comet Wild 2 on its way ...

People interested in seeing what happens Sunday night when NASA’s Deep Impact probe slams into Comet Tempel 1 will probably be better off sitting at their computers than gazing at the sky. One place ...

Comet Hartley 2 became the fifth cometary target of close-up photography early Thursday and the smallest and most interesting one visited so far, NASA scientists said. Scientists said images of ...

On January 12, 2005, NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. Two spacecraft were launched together for this mission: one was a flyby vehicle about ...