Oct. 21, 2025 is a very special night in the sky. A comet known as Lemmon will be visible if skies are clear, and there's a meteor shower, too.

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

A comet discovered earlier this year, now just bright enough to be visible to the naked eye, is poised to be among the top ...

Comets Lemmon and SWAN will be at their brightest just as the annual Orionid meteor shower produced by Halley's Comet reaches ...

Comet Lemmon, also designated C/2025 A6, was discovered in January by a telescope scouring the night sky for near-Earth ...

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.

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

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

Comet C/2025 A6 Lemmon is getting brighter and whether you have a telescope, binoculars or just your eyes, here’s how you can ...