Our Solar System is home to eight extraordinary planets, each with its own unique features, mysteries, and beauty. This cosmic journey takes you from the Sun-scorched surface of Mercury to the icy ...

Far past the familiar boundaries of our solar system, NASA's intrepid Voyager spacecraft are sending back mind-boggling data, revealing a fascinating and intense frontier. While not a literal 'wall of ...

Scale Model Solar System- Students will explore the vast distances in space by creating a pocket solar system and going on a guided tour of our outdoor scale model solar system (weather permitting).

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

Our Solar System hasn’t always had the arrangement of planets we see today. Past iterations put other planets through the wringer, and some of them got booted — including a long-lost alternate ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Astronomers have discovered that the Solar System traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million years ago. This journey ...

Our solar system may not be as isolated as we once thought. According to a new study, more than 1 million interstellar objects could be lurking in the outer reaches of our cosmic neighborhood ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say. ABC News. Live. Video. Shows. Shop. Log In. Stream on.

Accidental find in planetarium show could shift scientists’ understanding of our solar system. Jacopo Prisco, CNN. Tue, June 10, 2025 at 11:55 PM UTC. 8 min read.

A cloud of collapsing gas created our Sun, the first thing to form in our solar system. This happened about 4½ billion years ago. Then the planets began to emerge, ...