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

A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked-eye spectacle. Comet SWAN, hailing from the Oort Cloud beyond Pluto, has ...

Skygazers in the Northern Hemisphere can currently observe two bright green comets streaking across the sky. Both originate from the solar system's outer reaches, potentially the Oort Cloud, far ...

A rare, green-glowing comet will make its closest approach to Earth next week — and it won’t return for more than a thousand ...

Three newly discovered green comets are currently visible from Earth with the help of binoculars or a telescope, and a fourth-an interstellar visitor-will become visible again soon. Their unusual ...

Late October offers a meteor shower generated by Haley's Comet plus a once in a lifetime comet that streaks by Earth every ...

If you're still looking for the perfect – or last-minute – way to celebrate Valentine's Day, look no further than the sky above. The rare green comet that has been streaking across the sky in its only ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that won’t return until the next millennium. Comet C/2025 A6 (Lemmon), captured ...