Comet SWAN has an estimated brightness of magnitude +6.1 (a measure of visual brightness), which, in a dark, moonless sky, ...

The green-hued Comet Lemmon will align with the Serpens constellation this weekend, offering a stunning view for astronomy ...

Learn when and where to see Comet Lemmon and Comet SWAN this October as they light up the night sky in a rare double comet ...

Comet C/2025 A6 (Lemmon) will pass through the neck of the great celestial serpent represented by the constellation Serpens ...

Keep an eye on the night sky in October—you might catch a falling star! The Orionid meteor shower reaches its peak on the ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

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

The brighter Comet Lemmon is visible in the northwest in Serpens, and Comet SWAN in the southwest in Aquarius, about 90 ...

Comet C/2025 R2 (SWAN) is brightening the October night sky, offering stargazers a rare chance to see its glowing tail. Here ...

The sky is filled with rare celestial treats this week. Want to spot some cool comets? Here's what to know about comets ...

The month brings a spectacular lineup of celestial sights—including a rare chance to see Mercury without a telescope and a ...

Comets Lemmon and SWAN are making their closest approach to Earth in a rare cosmic treat. Can you see it in NJ? Here's timing ...