NASA is not going to make any announcements about aliens like many people started to believe after a video went viral.
By 2100, scientists believe Mars colonies would want to "phone home" to Earth, but could there be effective, secure call connections by then?
Humans are less than two decades away from finding alien life according to an expert.
Speculations arise due to this massive and deep depression found on Mars.
The U.S. space agency will hold a competition to brainstorm ideas for developing scientific instruments on Europa lander.
A team of scientists are trying to find out what is the basis of alien life.
Alan Bean stated he does not think of any extraterrestrial life form to have ever visited the Earth.
Cassini spacecraft discovered an underground sea on the surface of Saturn's moon Enceladus.
Three of these Earth-size exoplanets are within the star's habitable zone.
NASA scientists found ancient microscopic alien life forms inside volcanic caves in Mexico.
There could be an increasing chance of finding alien life with the discovery of 60 exoplanets near the Solar System.