: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.

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 ...

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 ...