International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our own.

It's composed of leftovers from the making of our solar system, which were scattered in every direction by the planets after they formed.

In 1977, NASA launched the Voyager probes to study the Solar System's edge, and the interstellar medium between the stars. One by one, they both hit the "wall of fire" at the boundaries of our ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.

Every single organism on Earth, no matter the biome, the kingdom, the domain, whether it's an extremophile in a hot spring or some lithotroph buried in the crust, depends on water.

Scientists have unlocked one of the solar system’s many secrets from an unexpected source: a planetarium show opening to the public on Monday.

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.

China extends its reach into the Solar System with launch of asteroid mission Tianwen-2 will first return samples from an asteroid, then explore a mysterious comet-like object.

If the solar system does have a Planet Nine, it is a world that was bullied by its larger siblings, exiled to the far reaches of space and only rescued from oblivion thanks to the intervention of ...

A new study sheds light on what Jupiter, often called the "architect" of the solar system, was like in the beginning. The giant planet has dramatically changed.

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

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