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 gas giant WASP-18b, ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

The search for intelligent life in our galaxy is shifting from abstract speculation to detailed cartography, as researchers try to sketch where alien societies might arise, thrive and vanish inside ...

The big picture: Nearly 6,000 exoplanets have now been confirmed in the vast expanse of the Milky Way galaxy. Some are believed to have the potential to harbor life, while others are so hostile that ...