The Solar System is a fascinating place, with each planet orbiting the Sun at its own unique distance. But how far apart are ...

Scientists observed the earliest signs of a new solar system forming around HOPS-315, revealing how planets emerge from dust ...

SYFY ’s The Ark follows the crew of an interstellar spacecraft on a multi-light-year journey to the star next door. In the ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

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.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) ...