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.

Astronomers witness dawn of new solar system for 1st time Scientists were able to see the moment when planets began to form around a star.

The comet is only the third known object originating outside of out solar system to pay us a visit.

The Solar System, our cosmic home, is a fascinating and dynamic region of space filled with a diverse range of planets, moons, and other celestial objects. Deep dive into the incredible ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

Tiny shavings from a single meteorite could completely overturn our understanding of how the solar system formed, after the space rock turned out to be older than expected.

Astronomers have discovered a "fossil" body residing on the outskirts of the solar system, according to new research. The object – which goes by the formal designation 2023 KQ14 but is nicknamed ...

Astronomers using the Gemini North telescope in Hawai‘i captured a striking view of the new interstellar visitor 3I/ATLAS on its journey toward the inner solar system.