The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

The human mind may find it difficult to conceptualize: a cosmic cloud so colossal it surrounds the Sun and eight planets as it extends trillions of miles into deep space. The spherical shell known as ...

At 3.51 au from the Sun well beyond the region where water ice normally drives strong cometary activity 3I/ ATLAS still ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. C/2023 A3 Tsuchinshan-ATLAS as imaged on June 1, 2024 by ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse.

The human mind may find it difficult to conceptualize a cosmic cloud so colossal it surrounds the Sun and eight planets as it extends trillions of miles into deep space. The spherical shell known as ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS — Comet Tsuchinshan-Atlas, a rare ...

AUSTIN (KXAN) — Some Central Texans witnessed a once-in-a-lifetime astronomical event this weekend, as a comet passed over the region and was visible to the naked eye. Astronomers discovered the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Comet Tsuchinshan-ATLAS, also called C/2023 A3 and Comet A3, ...

The comet blazing into South Carolina skies this weekend won't zoom by Earth again for another 80,000 years. It emerged from the mysterious Oort Cloud, a bubble-shaped phenomenon that contains our ...

PASADENA, Calif., Jan. 2 -- About 242 million miles away, on the far side of the sun, NASA's armored Stardust spacecraft survived an unprecedented flight Friday through the gas and dust plumage of a ...