The solar system is our cosmic neighborhood, made up of the sun and everything that orbits it — planets, moons, asteroids ... At the center is the sun, a yellow dwarf star that contains 99.8 ...

So which planets in our solar system have rings? All four giant planets — Jupiter, Saturn, Uranus and Neptune — sport these ...

"Rings are mostly made of ice and small rocks," said William Saunders, a planetary scientist at NASA's Langley Research ...

Explore the stunning visual transformations of our familiar planets as they take on the role of Earth's moon. The Hubble ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Astronomers have detected a promising sign of a ninth planet lurking at the the farthest reaches of the Solar System.

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

sitting in the Kuiper Belt - a region in our solar system beyond Neptune filled with icy objects, comets, and dwarf planets like Pluto. Since this hidden planet may be so far away, the new study ...

Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

Pluto remains a fascinating and beloved part of our solar system with a slightly less glamorous title. At this moment, Pluto is still classified as a dwarf planet. Despite ongoing debate and ...