Both comets will glow green in our skies. One comet, called C/2023 A3 (Tsuchinshan-ATLAS) is already visible, while another ...

A comet discovered in 2023 will pass by Earth this weekend and become increasingly visible in Central Illinois over the next ...

All being well, astronomers believe C/2023 A3 will be visible to the naked eye, especially around October 12. However, a pair ...

Comet A3 will be best viewed in a dark sky away from light pollution from this weekendHere are 25 places in the U.S. where ...

Comet C/2023 A3 Tsuchinshan-ATLAS could be as bright as the planet Venus on Oct. 9 and will be visible to the naked eye on ...

Scientists say comet C/2023 A3 Tsuchinshan-ATLAS is visible once every 80,000 years, and people across North America were ...

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

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this week — and how you can see in until November.

If you missed the aurora show Thursday night, or you want another celestial showcase, check the weather in the D.C. area ...

Comet C/2023 A3 (Tsuchinshan-ATLAS) is making its close approach to Earth this week, offering North Texans a rare opportunity ...

Stargazers in California saw the newly-discovered comet C/2023 A3 lighting up the sky.