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

Comet Lemmon, also designated C/2025 A6, was discovered in January by a telescope scouring the night sky for near-Earth ...

Comets Lemmon and SWAN will be at their brightest just as the annual Orionid meteor shower produced by Halley's Comet reaches ...

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

Conditions are near-perfect to spot this celestial visitor, which won't appear again in our night sky for another millennium.

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.

The comet will continue to brighten after that, likely reaching its brightest around October 31 or November 1, at which point ...

Three meteor showers are active over Michigan skies, with peaks approaching. And a pair of comets are joining the show.

There's a lot happening in the night sky this weekend. The Orionid meteor shower peaks, and two comets are visible in the ...

The comets A6 (Lemmon) and R2 (SWAN) are visitors from the chilly fringes of our solar system, and could even be visible at ...

Look for the three stars that make up the distinctive formation of Orion's Belt — Alnitak, Alnilam and Mintaka — shining ...