A pair of once-in-a-lifetime comets will rocket through our skies this October, and it's a rare treat because they won't be ...

Comet Lemmon is now visible with comet SWAN after sunset while also remaining visible before dawn for Northern Hemisphere ...

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

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

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 ...

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 ...

Skywatchers can catch a rare glimpse of Comet Lemmon this month, and it won't be back until around the year 3175. Here's how ...

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