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

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...

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

If humans ever receive a message from intelligent aliens, the biggest challenge may not be how far away they are, but how to communicate at all. Our nearest star system is more than four light-years ...

Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does intelligent life look like? And how would aliens communicate? How could ...

Spielberg’s hotly anticipated new movie gives fresh impetus to a dilemma that has long captured the imaginations of filmgoers, scientists and the great director himself ...

In the 1982 blockbuster, E.T. the Extra-Terrestrial, E.T. is lured out of hiding using a trail of Reese's Pieces. But what ...