Colorado skygazers who have marveled at multiple displays of the northern lights in recent days have another reason to geek ...

A once-in-a-lifetime look at the stars could be possible beginning Saturday at twilight. Comet Tsuchinshan-ATLAS, also known ...

Skywatchers will get chances to see a once-in-a-lifetime comet starting this week. Here's everything you need to know.

A comet could be visible among the stars in the coming weeks if it is not too cloudy. This comet, C/2023 A3 ...

“Let’s call it Comet Atlas,” said astronomy expert Dr. Irwin Horowitz. “This is the first time it’s returned to the inner ...

Each Monday, I pick out North America’s celestial highlights for the week ahead, which include a conjunction between the moon ...

"The Voyager 1 spacecraft took 35 years to leave the sun’s magnetic influence. It’s traveling one million miles each day. At ...

Venus shines bright after sunset, the giant planets rise before midnight, and Mars shines before dawn. Plus, catch Comet ...

Comet A3 hasn't been past Earth since the Neanderthals. It'll be visible across the Northern Hemisphere in October; here's ...

If we are that lucky, Comet Tsuchinshan–ATLAS could appear more brilliant than any of the stars, outshone only by Venus and the Moon, and sporting a glorious tail. Even if the comet refuses to ...

October's celestial events include everything from a supermoon to a major NASA launch sprinkled with falling stars and comets. Freelance writer Amanda C. Kooser covers gadgets and tech news with a ...

Comet Tsuchinshan was first spotted in China in January 2023, and appears to have two tails: one white and the other blue.