Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

Two decently bright comets that share a superficial resemblance are gracing our skies right now, in fact: C/2025 A6 (Lemmon) ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail ...

Astronomer Gianluca Masi and his Virtual Telescope Project will host a special livestream on Oct. 24 beginning at 1:30 p.m.

After a year devoid of comets visible to the naked eye, two of the celestial entities — C/2025 A4 (Lemmon) and C/2025 R2 ...

The month of October is hosting multiple celestial events and one of them is a double-comet spectacle. Here's how to see the ...

The Orionid meteor shower peaks during a new moon, Comet Lemmon gets closest to Earth and a crescent moon slides past Mercury ...

Two comets may be visible in tonight's sky. Comet Lemmon and Comet Swan were only discovered this year, and both are visible ...

For those of you who like interesting night sky phenomena, there are actually two comets that are visible right now. Comet ...

A pair of once-in-a-lifetime comets are rocketing through our skies right now, and it's a rare treat because they won't be ...