Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

The main method used to find each world is shown as one of seven colors. For example ... search on a small patch of the sky and used the transit method of exoplanet detection on 150,000 stars.

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere," a team of ...

More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to ...

For centuries, planets beyond our solar system—called exoplanets—existed only in theory and science fiction. It seemed nearly impossible to detect planets light-years away, since the ...