On Oct. 13, 1773, a French astronomer named Charles Messier discovered the "whirlpool galaxy," also known as Messier 51, or ...

He estimated Comet C/2023 A3 was 85 million kilometres away and only came along once in a human lifetime. "It's not like ...

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

Rare comet visible this weekend won't return to Earth for another 80,000 years. Here's how Texans can catch a glimpse.

ATLAS, which should this weekend become a naked-eye object in the post-sunset sky from the northern hemisphere.

Today: Comet Tsuchinshan-ATLAS moved into the evening last week. It will be visible in the evening west-southwestern sky for ...

There’s a rare object in the skies over Colorado this week. Comet Tsuchinshan-ATLAS will be visible just over the western ...

The comet is known as C/2023 A3, or Tsuchinshan-ATLAS. Oct. 13 through Thursday, Oct. 24 should be a good time to see the ...

For as long as I remember there have been frequent forecasts of bright comets coming to our skies. Often, many predictions go ...

The comet, known as C-2023-A3 aka Comet Tsuchinshan-ATLAS, will be closest to Earth on Oct. 13. Then it'll put on a show ...

The prime viewing nights for comet C/2023 A3 should be between Monday and Oct. 24, NASA says. An astronomer recommends using ...

It is also theoretical. Astronomers infer the Oort Cloud is there because it’s the only logical explanation for the arrival ...