Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

An international team of researches has announced the discovery of a super-Earth exoplanet (designated GJ 251 c) situated in its host star’s habitable zone less than 20 light-years from our own. What ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...

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 ...

Aliens have warned humanity that we face destroying the planet in a breathtaking UFO discovery, which is being cited as "first contact." The alarming caution from "far away in time and space" urges ...