Using the same planet-hunting techniques as Earth astronomers, would inhabitants of a planet hundreds of light-years away be able to detect Earth? Or would the gas giants overpower their observations?

People were allegedly advised to call the United Nations' "alien communications specialist" if they made contact with ...

A team of researchers argues that the Moon could have been collecting microscopic fragments of alien technology for billions ...

These epic, star-spanning adventure stories blend interstellar action with political allegory and romantic drama. Here’s where to start.

A UFO researcher claims that he has spoken to 700 alien abduction survivors, and what they said helped him find religion.

From stranded astronauts to first contact and alien intelligence, these five sci-fi novels should fill the gap on your ...

The alien invasion has long been a staple of science fiction, whether it's a high-octane thriller like Steven Spielberg's War ...

Scarlett Johansson's Ray Gunn adds A Minecraft Movie star to its ensemble cast. The post Scarlett Johansson’s Sci-Fi Movie Ray Gunn Adds Minecraft Star as Villain, Gets New Look appeared first on ...

The gas giant Beta Pictoris b, about 63 light-years away, has the mass of 10 Jupiters and a magnetic field thousands of times as strong as Earth’s.

Plenty of sci-fi movies feature aliens and monsters wreaking havoc on humanity, but in these fantastic sci-fi movies, humans ...

The CIA has been accused of secretly searching through DNA databases to find people who may have alien ancestry.