A newly spotted comet is racing toward a perilously close encounter with the Sun, promising either a spectacular daytime ...

Space, it’s full of surprises. An object, discovered at the beginning of the year, was first thought to be an asteroid. But then it grew a tail. Astronomers with the Mount Lemmon Survey in Arizona ...

A new comet approaching the sun has caught the attention of astronomers, primarily because of its lineage. It appears to ...

Interstellar comet 3I/ATLAS will soon reach its closest distance to Earth, so this may be our last, best chance to see this rare object before it heads back out into the universe, never to return. One ...

Comet Lemmon, a comet discovered in January, may be visible with the unaided eye after sunset this week. Credit: Creators.com illustration It’s been a few years since we’ve seen a decently bright ...

A new comet was discovered June 2011 with the Panoramic Survey Telescope and Rapid Response System on a mountaintop in Maui, Hawaii. Comet C/2011 L4 (PanSTARRS) came close to Earth earlier this week ...

A newly discovered comet is about to make its closest pass to Earth on Tuesday night. It should be visible over the Central Coast before it disappears — and won’t be seen again for more than a ...

A comet hurtling through the solar system from interstellar space is exactly what it appears to be, NASA officials said Wednesday, moving to quash a wave of online speculation. At a news conference, ...

The Gemini North telescope snapped a spectacular view of Comet C/2025 K1 (ATLAS) breaking apart as it emerged from the other side of the sun in October.

The green comets visible in the night sky are now at their minimum distance from Earth, so they should be at their brightest in the night sky. Comet Lemmon (also called C/2025 A6) and Comet SWAN ...

We humans are a curious bunch. Whenever we come across something unfamiliar, our minds naturally start filling in the blanks about what it could be. That’s exactly what’s happening with comet 3I/ATLAS ...