Experience the brilliance of comet C/2023 A3, visible nightly this October, with its closest approach to Earth on October 12.

Engaging articles, breathtaking images and expert knowledge ...

Those who live in the Northern Hemisphere can look at the night sky for a wonder that might have fascinated the Neanderthals ...

A comet that some are calling "the comet of the century" will soon be visible. Comet C/2023 A3 Tsuchinshan–ATLAS is ...

The brightest comet visible from Earth since 2006, C/2023 A3 Tsuchinshan-ATLAS, should be making an appearance around ...

A once-in-80,000-year sight will make its closest approach to Earth this weekend before heading into the vast abyss of outer ...

Pennsylvania stargazers can enjoy viewing several unique astronomical events this October, including the biggest supermoon of ...

Illinois stargazers can enjoy viewing several unique astronomical events this October, including the biggest supermoon of ...

A rare comet is expected to be visible to the naked eye across the Northern Hemisphere for several weeks in October.

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 ...

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