Halloween is upon us and the 2025 spooky season is abuzz with talk of three cosmic visitors — Comet Lemmon, Comet SWAN and the interstellar traveler 3I ATLAS — said to be haunting the night sky. But ...

The fall season brings in full moons, meteor showers and comets and for October, two comets grace the night sky: Comet Lemmon and Comet Swan. Comet Lemmon, discovered earlier this year by the Mount ...

A once-in-a-lifetime cosmic treat for stargazers is on the celestial schedule this month, with two comets visible in the night sky through October 2025. Comet Lemmon and Comet SWAN were visible ...

Gather ’round for this galactic double feature. After a year devoid of comets visible to the naked eye, two of the celestial entities — C/2025 A4 (Lemmon) and C/2025 R2 (SWAN) — will be gracing our ...

A pair of newly discovered comets are making a rare double display in the night sky this week. SWAN and Lemmon, both of which were discovered this year, have reached their closest points to Earth in ...

Two comets are converging in the night sky this month You can see an online livestream of the comets via the Virtual Telescope Project later this week The comets are called C/2025 A4 (Lemmon), and ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Have you seen the comets yet? Comets Lemmon (C/2025 A6) and ...

For those of you who like interesting night sky phenomena, there are actually two comets that are visible right now. Comet Lemmon and Comet SWAN were each discovered recently, so unlike, for instance, ...

The Orionid meteor shower, known for its fast and bright meteors, will peak in late October. This year's shower will be especially spectacular as two comets, Lemmon and SWAN, will also be visible. One ...