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

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

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

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

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 ...

Beginning Monday afternoon, comet Lemmon will pass about 56 million miles from Earth, while comet Swan will soar even closer, ...

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

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 ...

Skywatchers may be able to catch the beginning of a modest meteor shower Monday night, before high clouds roll in. There will ...

The period of visibility will fall within the dates of the Orionid meteor shower, making for a once-in-a-lifetime viewing ...