The Solar System is a fascinating place, with each planet orbiting the Sun at its own unique distance. But how far apart are these planets, and how do they travel through space? Uncover the true ...

Our solar system orbits the Milky Way galaxy once every 200 million years, driven by a supermassive black hole at its center. Discover how dinosaurs saw a very different night sky and what the ...

The first new planet in our solar system since the discovery of Neptune in 1846. Reporter: Very little is known about Neptune, the last of the giants on this tour. Narrator: But there was a problem.

A six-planet solar system around the star HD110067, a near sun-like star roughly one hundred light years away, has stunned scientists by its rarity. In other words, there are many stars that have ...

The solar system's main asteroid belt may have taken its shape when three gas giant planets were flung into more distant orbits, scattering the remote, icy objects that were lurking at the solar ...

Astronomers observing a faint star in the Big Dipper have discovered the first distant multiplanet system in which the planets have near-circular orbits like those in this solar system. “As o… ...