In November 2026, Voyager 1 will hit yet another milestone when it becomes the first manmade object to reach a distance of ...

New research may shine a light on part of outer space's great mysteries: the Oort Cloud. The Oort Cloud is the name given to a theorized group of potentially trillions of icy objects on the edge of ...

Feb. 23 (UPI) --A shell of icy objects at the edge of the solar system known as the Oort cloud has a pair of spiral arms that resemble a miniature galaxy, new research suggests. Until now, the shape ...

Comet C/2025 A6, known as Lemmon, is a nonperiodic comet with an orbital period of around 1,350 years. Most of its time is ...

ALBEMARLE, N.C. — 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 ...

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 ...

We all picture the Solar System as a neat cosmic racetrack with planets orbiting the Sun on a flat, organized path. But have you ever wondered what lies above and below that path? In this video, we ...

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 ...

Astronomers have announced a giant comet coming from the Oort Cloud, the true edge of the solar system. This documentary explores its size, path, and mystery.

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. This scene from the new Hayden Planetarium Space Show "Encounters in the Milky Way" at the American Museum of Natural History ...