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.

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 ...

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 ...

Two newly discovered comets are streaking across the sky in a spectacular display as they make their closest approaches to Earth this month. Comets are made of ice, frozen gases and rock, and as they ...

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 ...

Skywatchers of Arizona should clear their schedules. The next few weeks will feature the appearance of supermoons and meteor showers. Plus, there will also be a pair of comets visible in the night sky ...

“Comets are like cats. They both have tails and do what they want,” said comet discoverer David Levy many times. Well, Comet C/2025 A6 (Lemmon) is proving his words true. Most comet-watchers thought ...

In a rare double cosmic treat and once-in-a-lifetime opportunity, stargazers can look to the night sky for two rare comets through October 2025 — and Comet Lemmon and Comet SWAN are visible starting ...

A comet discovered earlier this year, now just bright enough to be visible to the naked eye, is poised to be among the top celestial events of 2025. Known as C/2025 A6 (Lemmon), this celestial ...

This newly discovered comet could soon glow bright enough for the naked eye as it sweeps through October's morning and evening skies. When you purchase through links on our site, we may earn an ...

California stargazers are in for a rare celestial double feature. Two comets — C/2025 A6 (Lemmon) and C/2025 R2 (SWAN) — are now visible across the state, offering a once-in-a-lifetime chance to see ...