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

The Solar System, our cosmic home, is a fascinating and dynamic region of space filled with a diverse range of planets, moons ...

Here's how our solar system ended up in the middle of a cosmic crime scene. On Jan. 12, 2003, NASA launched the Cosmic Hot Interstellar Plasma Spectrometer (CHIPS).

The solar system is primarily comprised of our sun — which makes up the vast majority of its mass — and the eight planets, which are split into three subcategories.

CINCINNATI (WKRC) - Astronomers have made a groundbreaking discovery, revealing the existence of "cosmic tunnels" that connect our solar system to other stars. Using data from the eRosita X-ray ...

Cosmic conservation: Why experts argue portions of the solar system should remain untouched As space mining and colonization become not-so-distant realities, scientists say preservation should be ...

A Rare Interstellar Object Is Blazing Through Our Solar System, Marking Only the Third Cosmic Visitor on Record The comet follows just two other deep space objects documented by astronomers in ...