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 ...

An illustration depicts what the surface of one of the exoplanets orbiting Barnard's Star may look like. The other three planets within the system can also be seen. - International Gemini ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Exomoons are a hot topic in the science community, as none have been confirmed with astronomers finding new and creative ways ...

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

CINCINNATI (WKRC/NASA/CBS Newspath) - Astronomers using NASA's James Webb Space Telescope have discovered compelling evidence of a giant planet orbiting Alpha Centauri A, the closest Sun-like star to ...

In the hunt for extraterrestrial life, we usually look for planets orbiting sun-like stars and icy moons. But there is ...

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has stumped scientists. Most of the stars across the Milky Way are small red dwarfs ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. After decades of ...

A combination of the world's most powerful telescopes detected the planets. Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...