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

Oklahoma's skies light up with a once-in-80,000-year comet. Learn how to spot the comet before it fades by Halloween ...

A rare comet will dazzle the Illinois sky again this weekend as it continues to pass by the sun in a once-in-a-lifetime phenomenon. What is the name of the comet tonight? Comet C/2023 A3, also known ...

Prepare to witness a celestial spectacle like no other as a gigantic comet dubbed the "devil comet" is poised to make a rare appearance in Earth's night sky next summer for the first time in seven ...

In the next two weeks, a recently discovered comet will almost certainly become bright enough to see without optical aid; just your eyes and a dark site will suffice. It might even briefly brighten so ...

Comet Neowise soars in the horizon of the early morning sky in this view from near the grand view lookout at the Colorado National Monument west of Grand Junction, Colo., on Thursday. The newly ...

This newly discovered comet could soon glow bright enough for the naked eye as it sweeps through October's morning and ...

As Chile and Argentina witnessed the total solar eclipse on Dec. 14, 2020, unbeknownst to skywatchers, a little tiny speck was flying past the Sun — a recently discovered comet. This comet was first ...