An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

It’s often said—we said it again ourselves just last week, in fact—that our own Solar System isn’t as typical as scientists once imagined. We’ve got four small, close-in, rocky planets (Mercury ...

The curious minds at What If explore what would happen if you saw what you’d look like on different planets, revealing gravitational, atmospheric, and biological effects.

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Robert Lea (created with Canva) Planets can differ from the swirling envelopes of gas and ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's rendition of the sun-like star YSES-1 in the center, in this handout image obtained by Reuters By Will Dunham ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...