With so many interesting solar system facts, we've narrowed them down to 25 of our favorites. Our solar system consists of the sun and everything that orbits that sun, like the eight (once nine ...

NASA’s Voyager Spacecraft are two of the most successful and enduring missions that the space agency has ever launched. First ...

From planets that rain diamonds to moons with hidden oceans, the Solar System holds more mysteries than most realize. These nine facts reveal just how extraordinary our cosmic neighborhood is.

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists say the comet poses no danger to the Earth, and Hubble’s observations will ...

REx, NASA's first asteroid sample return mission, reveals why some gray asteroids reflect light at different wavelengths, ...

These strange objects could explain how water arrived on Earth, but may also be a previously unrecognised threat to our ...

Earth Day is April 22 — think you know the planets? Test your knowledge of the solar system in this fun and engaging lifestyle quiz — and see how well you do!

The interactions between particles in an accretion disk may help to explain why the inner solar system spins more slowly than expected.

The detection of interstellar objects in the solar system has raised an interesting question: How much of the solar system is made of foreign material?