A recently discovered comet that some stargazers had hoped to see during Halloween week has disintegrated before the day of ghosts and ghouls. NASA confirmed Tuesday its sun-observing spacecraft ...

This is not unusual behavior for a comet, but it can be a sign of nucleus fragmentation – where the main body, or nucleus, of a comet starts to break apart. This probably happens because of what they ...

A newly observed interstellar comet is the most pristine visitor from outer space ever seen in our Solar System, according to a pair of studies released Tuesday detailing its unique characteristics.

ESA and NASA's SOHO spacecraft capture a video of Comet C/2023 A3 (Tsuchinshan–ATLAS) glowing as it raced through space. Freelance writer Amanda C. Kooser covers gadgets and tech news with a ...

A dead space telescope has left behind jaw-dropping unreleased cosmic images. NASA’s NEOWISE telescope ended its journey ...