Voyager 1 has made an astonishing discovery at the edge of our solar system that challenges everything we thought we knew!

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. New research may shine a light on part of outer space's great mysteries ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." When you purchase through links on our site, we may earn an affiliate ...

A team of astronomers has identified a four-planet system orbiting the red dwarf star LHS 1903 that defies conventional expectations about how planets arrange themselves around their host stars. The ...