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 ...

The fall sky-gazing season is officially in full swing with the Orionid meteor shower peak in October and comet A6 Lemmon ...

A newly discovered comet is rapidly brightening, says scientists, and it will be reaching its closest point to Earth soon.