New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed ...

"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 a massive new solar system body located ...

Astronomers have found that a weird space rock at the edge of the solar system is locked in a rhythmic dance with Neptune. The object, designated 2020 VN40, is part of a family of distant solar system ...