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

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

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.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Former U.S. Representative Matt Gaetz has said he was briefed by a ...