Scientists say a nearby red dwarf star hosts a planetary lineup that looks like a mirror image of our own solar system, with ...

Far beyond Neptune, at the cold edge of our solar system, millions of icy objects drift quietly in a region called the Kuiper ...

Add Yahoo as a preferred source to see more of our stories on Google. A pellet of plutonium 238, illuminated by the glow of its own radioactivity. NASA and other space agencies use this material in ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The interstellar invader ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

The outer reaches of our Solar System continue to reveal a complex dynamical environment where the interplay of gravitational forces shapes the orbits of a myriad of distant bodies. Research in this ...

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...