Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Comet Lemmon (C/2025 A6) may soon make a play for the title ...

Comet Lemon to make closest approach to earth on Tuesday Stargazers in Philadelphia and beyond will be treated to a rare celestial sight Tuesday as Comet Lemmon makes its closest approach to earth.

If you’ve not seen the two green comets yet, 90 minutes after sunset on Sunday, Oct. 26, is your last best chance before they fade. The brighter Comet Lemmon (C/2025 A6) and much dimmer Comet SWAN ...

It was early January 2025 when a faint light spot was observed at the Mt. Lemmon Observatory in Arizona. Follow-up observations revealed that the object was a comet visiting from the outer edge of the ...

Comet Lemmon captured by astrophotographer Dan Bartlett on Sept. 26. (Image credit: Dan Bartlett) Comet Lemmon (C/2025 A6) is quickly brightening as it draws closer to both the sun and Earth, evolving ...

Comet C/2025 A6 (Lemmon) is brightening and may soon be visible to the naked eye in the October night sky. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...