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 ...

The comets are visible in the northwest (Lemmon) and southwest (SWAN) about 90 minutes after sunset. Lemmon is moving quickly ...

The brighter Comet Lemmon is visible in the northwest in Serpens, and Comet SWAN in the southwest in Aquarius, about 90 ...

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 nearing Earth in a rare double cosmic treat. Where and what time can you see them? What to know.

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 Hallowe’en comet will be visible in the night sky over the next few weeks before it vanishes for 1,300 years.

Skywatchers are anticipating prime viewing conditions for an annual showing of shooting stars and two comet flybys ...

The month of October is hosting multiple celestial events and one of them is a double-comet spectacle. Here's how to see the ...

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 ...

Comet C/2025 A6 (Lemmon) will pass through the neck of the great celestial serpent represented by the constellation Serpens ...

Comet Lemmon can be seen in the northwestern sky near the bright star Arcturus. Skywatchers should use the Big Dipper to ...