I nterstellar comet 3I/ATLAS is about to vanish from view. Earth and this interstellar interloper will be on opposite sides ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 11 by amateur astronomer Vladimir Bezugly in images from NASA's Solar and ...

Comet C/2025 R2 (SWAN) is a new visitor from our outer solar system. It may be easier to see as it approaches Earth next week ...

Watch Comet 96P/Macholz brighten as it flies by the sun in these time-lapses captured by the ESA/NASA Solar and Heliospheric ...

Few cosmic visitors have captured the fascination of astronomers quite like the interstellar comet 3I/ATLAS. Hurtling through ...

Comet SWAN isn't the biggest or brightest comet that can be seen from Earth, but it could be the last one until Halley's Comet comes back in July ...

It could mean two bright comets will be visible in the night sky at the same time, on the peak night of a meteor shower.

The Orionid meteor shower has arrived! Look up on the nights between Oct. 2 to Nov. 12 to see tiny shards of Halley's comet ...

In October, a newly discovered comet will streak so close to Earth that people may be able to make out its heavenly fireworks ...

The month of October is a treat for stargazers, as they’ll be able to see two different comets, one of which is long-tailed, ...

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

While we haven't seen an interstellar comet being struck by a coronal mass ejection before, we have seen it happen to others. This happened on April 20, 2007, when NASA's STEREO A spacecraft saw Comet ...