PASADENA, Calif. – They weren’t a red, white, and blue spectacle, but the cosmic fireworks NASA created by blasting a hole in a comet were something for scientists to cheer about this Fourth of July ...

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 ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

After nine years of interstellar investigations, the mission of NASA's Deep Impact spacecraft has come to an end. In a press release issued today, the agency "reluctantly pronounced" that they had ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth ...