A rare green Halloween comet will be visible in the night sky over the next few weeks before it vanishes for 1,300 years.

Comets Lemmon and SWAN are making their closest approach to the Earth tonight, Oct. 21. Here's how you might see them with ...

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 ...

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.

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

Comet Lemmon's nucleus is believed to be just a couple of miles in diameter. This is relatively small compared to other previously visible comets, such as the giant Hale-Bopp, which was visible in the ...

A newly discovered comet is about to make its closest pass to Earth on Tuesday night. It should be visible over the Bay Area ...

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

Tuesday night is going to be a very special night in the sky — one that won't happen again for more than a thousand years.

The peak of the2025 Orionid meteor shower coincides with the New Moon, meaning you should be able to see even faint meteors ...

The comet is fast approaching its closest encounter with Earth on Tuesday, March 21, a harmless 28.6 million miles.

The comet was only discovered in January at the Mount Lemmon Survey in Arizona, making it a relatively new discovery for ...