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 ...

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

Jim Bell, astronomer and former president of The Planetary Society, explains the uniqueness of the interstellar 31/ATLAS ...

The Orionid meteor shower peaks this year with the arrival of a new moon, offering a rare chance to see shooting stars ...

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

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

Known as C/2025 A6 (Lemmon), this celestial wanderer is currently in the western sky after sunset, not far from the Big ...

Astronomers are watching a new comet pass through our solar system with great interest. Based on its glow, the 33-billion-ton ...

Chicago-area residents could be treated to a wonderful nighttime display as Comet Lemmon makes its closest approach to Earth in coming days.

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.