From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

Renny Harlin revealed why he walked away from directing Alien 3 after 20th Century Fox rejected his radically different ideas ...

The third entry in the horror sci-fi franchise almost went in a completely different direction.

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

Disclosure Day had people talking for its fresh take on alien contact and powerful sci-fi themes. These films follow the same ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...