The Solar System, home to Earth and countless other fascinating planets and moons, exists within the Milky Way galaxy. But ...

Explore ten scientifically grounded facts about our solar system, from unique planetary features to surprising interplanetary ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

For Harold Kozak, one of life’s greatest pleasures is the opportunity to educate the public about the stars and the vast ...

The solar system consists of eight planets, several dwarf planets, hundreds of moons, and billions of asteroids, comets and ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

Astronomers first identified these minerals using the now-three-year-old James Webb Space Telescope. To see where exactly the ...

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

Images from two different telescopes give astronomers a glimpse at the formation of a "new" planetary system around a star ...