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 ...

On January 12, 2005, NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. Two ...

(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 ...

Deep Impact will have traveled 268 million miles from the time it is launched aboard an unmanned rocket until it intersects with Comet Tempel 1 just beyond the orbit of Mars, at a point more than 80 ...

A groundbreaking discovery was recently made about the largest comet ever observed hurtling toward the sun from the Oort Cloud in the outer reaches of our solar system. Astronomers recently got a ...