Alan Bean stated he does not think of any extraterrestrial life form to have ever visited the Earth.
Biological pollution caused by alien species' invasion is a threat to the existence of indigenous species.
Winston Churchill: war hero, politician and believer of aliens.
One might be astonished to know that real exoplanets in the galaxy are mostly like those found in the science fiction movie "Star Wars," NASA said.
The world's oldest water that is 2 billion years old could provide valuable information on alien life on Mars.
A new Australian telescope directed its focus on Proxima Centauri, a part of the three-star system dubbed as Alpha Centauri and is the closest known star to the solar system.
The existence of aliens is here among us.
Are humans alone in the universe? If aliens really exist, are humans ready to receive messages from them?
NASA Director of Planetary Science James Green predicts the discovery of possible alien life present in the solar system in 10 years. He also revealed 4 places most likely to have alien life.
A new study found if some planets were habitable, life would become extinct right after its origin due to extreme heating or cooling.
The "alien megastructure" star may have gotten a little more mysterious.