Comet Tempel 1 has been the target of two NASA missions. Here, an artist envisions what the approach of NASA's Stardust-NExT spacecraft may look like when it arrives at Comet Tempel 1 on Valentine ...

Comet Tempel 1 was discovered onApril 3, 1867 by Ernst Wilhelm Leberecht Tempel of Marseilles, France. Because of its periodic nature, 19th-century astronomers kept a close watch on Tempel 1.

On February 14th this year, NASA's Stardust probe made its second visit to the comet Tempel 1 at 8.40pm PST, shaving the comet at a distance of 111 miles (178 km) and traveling at a relative speed ...

Photos from the Stardust-NExT rendezvous with comet Tempel 1 are streaming in. Some show a crater that was created by a different NASA mission but never sucessfully photographed.

Tempel 1, a comet discovered by Wilhelm Tempel in 1867, completes an orbit of the Sun every 5.5 years. This year, it has a Valentine's date with NASA's Stardust robotic space probe -- and new ...

Astronomers Having Used ESO Telescopes Start Analysing Unique Dataset on the Comet Following the Deep Impact MissionTen days after part of the Deep Impact spacecraft plunged onto Comet Tempel 1 ...

It’s not exactly young love, but some might find it romantic. On Valentine’s Day, an aging Lothario that has been flitting from beauty to beauty through the solar system will make his final ...

Three views of comet Tempel 1 as seen by the Stardust-NExT spacecraft during close approach late Monday. The bottom image shows the general location of a crater that was excavated by NASA's Deep ...

Stardust-NExT sped to within 112 miles of the comet Monday at 11:39 p.m. EST. During the flyby, it snapped 72 new images of comet Tempel-1. Stand by for scientists' analysis of what they see.

Ten days after part of the Deep Impact spacecraft plunged onto Comet Tempel 1, astronomers are back from more than a week of observing at the ESO La Silla Paranal Observatory, having collected a ...

On Valentine's Day (Feb. 14), NASA's Stardust-NExT spacecraft will make a close flyby of comet Tempel 1, zipping to within just 124 miles (200 kilometers) of the icy wanderer.