Gianluca Masi from the Virtual Telescope Project captured imagery of comet C/2022 E3 (ZTF). The comet's closest approach to ...

There's a new comet in the night sky over Connecticut, and it might soon be bright enough to be seen with the naked eye. The comet, named Comet Lemmon (or C/2025 A6) after the Mount Lemmon Survey in ...

Comet C/2025 A6 (Lemmon) is just weeks away from a close approach to Earth that could make it visible to the naked eye in the ...

Vladimir Bezugly first observed the new comet, called C/2025 R2 (SWAN) or SWAN25B on Thursday, Sept. 11, in images snapped ...

"Current models are showing the [Lemmon] comet will likely peak between 3.5 and 4.5 magnitudes when it is nearest to Earth on October 21, which is dimmer than what they showed last week," Saint Louis ...

Though it won't become any brighter, Comet SWAN will reach its closest point to Earth on Oct. 20, coming within 24 million ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than ...

Vladimir Bezugly first observed the new comet, called C/2025 R2 (SWAN) or SWAN25B, on Thursday, Sept. 11, NASA said "The comet was surprisingly bright but understandably difficult to see against the ...

A new comet was discovered in early September, now it could start becoming visible this month for skywatcher.

I/ATLAS, only the third object from beyond our solar system ever spotted from Earth, was viewed from Mars by an orbiting European spacecraft.