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

Comet Lemmon will have its closest brush with Earth on or around Tuesday, Oct. 21. Comet SWAN should have its flyby with ...

Look toward the northeast in the direction of Ursa Major (the Big Dipper) about 25 degrees above the horizon. The comet will ...

On Thursday, October 16, 2025, skywatchers have a prime opportunity to witness Comet Lemmon (C/2025 A6) as it glides through ...

ALMA captures surprising activity in comet C/2014 UN271, Bernardinelli-Bernstein comet, the largest ever detected.

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

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

Comet 2025 C/2025 A6 - known as Comet Lemmon - will become brighter and brighter in Colorado's early evening skies over the ...