The Oort Cloud is a theorized invisible spherical shell that surrounds the Sun.

You can see the bright bundle of ice and dust until Oct. 24 by using binoculars or a telescope in a dark environment, NASA ...

A rare comet was visible on Thursday night and will be seen again, which will be a fascinating cosmic event for the ...

There’s an old saying in astronomy — “comets are like cats; both have tails and are unpredictable.” For once, a comet is ...

There’s a chance a “Halloween” comet will become visible next week, with viewers having a chance to see the comet during the ...

NASA/Eric Bordelon Comet C/2023 A3 (Tsuchinshan-ATLAS) passes over NASA's Michoud Assembly Facility in New Orleans in this ...

The “comet of the century” will still be visible for another few days in North America. The icy object, known to scientists ...

Opportunities to view the "comet of the century" are running out. Here's how you can view A3 in South Carolina before it ...

Several people captured photos of the A3 comet over Cincinnati Thursday evening. It's a rare event that won't be visible for another 80,000 years after this month.

Comet A3 hasn't been past Earth since the Neanderthals. Your last chance to see it is approaching fast. Here's where and how ...

Kerala University's observatory captures images of bright comet C/2023 A3, offering a rare opportunity for skywatchers in ...

The Tsuchinshan-ATLAS comet was created more than 4 billion years ago when the planets reshuffled and changed the ...