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

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.

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

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

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

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

Known as C/2025 A6 (Lemmon), this celestial wanderer is currently in the western sky after sunset, not far from the Big Dipper, and is well placed for viewing as the sky gets dark. Astronomers ...

Comet 3I/ATLAS nears the sun Oct. 29. Experts say it's natural, despite viral alien theories. Here's how to see it from ...

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

The Taurid meteor shower is composed of two streams known as the Southern Taurids and the Northern Taurids. We explore this ...