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

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

Aliens may well exist somewhere in the cosmos, but they are unlikely to be visiting Earth any time soon, according to a new ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

A new SETI study suggests we may be overlooking alien signals not because they aren't there, but because their own stars are scrambling them before they escape into space. Turbulent plasma and ...

Steven Spielberg's Disclosure Day has audiences buzzing about good alien conspiracy films. We've got 5 great recommendations.