This long-duration comet will make its closest approach to Earth this fall, before disappearing into the outer solar system ...

Comets Lemmon and SWAN are soaring past Earth in a rare cosmic treat. Here's best viewing times, tips and more in ...

Seeing comets is great, but it’s unlikely to be as rare as the one that won’t be seen again for another 1,300 years. Get your ...

Stargazers in Philadelphia and beyond will be treated to a rare celestial sight on Tuesday when Comet Lemmon makes its ...

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

Lemmon, which is a rare green comet, can be seen with the naked eye on Oct. 21, according to the Royal Astronomical Society, ...

Comet C/2025 A6 — also known as Lemmon — will make its closest approach to Earth on Tuesday night, Oct. 21, and will continue ...

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

This week's night sky will include a new comet that hasn't flown past Earth in over a thousand years -- and it won't be ...

A pair of once-in-a-lifetime comets are rocketing through our skies right now, and it's a rare treat because they won't be ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened significantly since then, raising hopes that it could become a naked eye comet ...

COMET Lemmon will blaze across the night sky over Scotland tonight. And it’ll be your last chance to see it for 1,300 years.