Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...

"Awards like these are a critical component of our incubator program for future missions, which combines government ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

Freshly uncovered evidence collected by a NASA rover tasked with exploring Mars has skyrocketed the possibility of life existing on other planets, RadarOnline.com can reveal. The Mars rover ...

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 ...

"The universe is a pretty big place. So if it's just us... seems like an awful waste of space," goes a line from the 1997 film "Contact." In the movie, Jodie Foster plays Dr. Ellie Arroway, a radio ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...