This research could help us pinpoint which planets outside our solar system, known as exoplanets, might be able to support life. It also sheds new light on the short-term weather patterns we ...

There are 8 planets in the solar system, each unique in size, distance, and composition. Learn about all the planets in order from the Sun, their characteristics, and key facts that make them ...

The Sun and planets of our solar system all formed from the same cloud of gas and dust, but the planets’ compositions vary with mass and distance from our star.

The emergence of the solar system, still a galactic mystery for the planets to solve... Welcome to the SpaceBalls channel!

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show. Close. Advertisement.

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

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, as the billions of particles ...

All eight of the solar system’s “major” planets appear in this illustration, but the actual number of planetary bodies orbiting our star is far greater. Digital Vision/Getty Images.