Scientists have detected a hidden alien planet by examining the orbits of the known worlds in the star system, known as Kepler-139. The newfound exoplanet, called Kepler-139f, is a gigantic world ...

:rocket: Could aliens be hiding on a frozen twin of Earth? NASA has just discovered a rocky exoplanet that’s remarkably similar to our home planet — and it’s shaking up the search for alien life.

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

In a secluded corner of the Lynx constellation, just 18 light-years from our planet, astronomers have found a stunning jewel—a planet around a tiny red dwarf star that may have the right conditions to ...

The Penn State-led Habitable Zone Planet Finder (HPF) provides the highest precision measurements to date of infrared signals from nearby stars. Pictured: The HPF instrument during installation in its ...