Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

How far away aliens might detect life on Earth.

More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While ...

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

SAN FRANCISCO (AP) — After the bombing of Pearl Harbor, second-generation Japanese American soldiers signed up to fight for the United States in World War II even as their families were locked up in ...

Dr. Steven Greer claims two massive alien crafts are hidden in South Korea and Oklahoma, sparking debate on extraterrestrial ...

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...

Obama replied “They’re real, but I haven’t seen them, and they’re not being kept in … what is it …?” “Area 51?” the interviewer responded. Then Obama said, “Area 51. There’s no underground facility.