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.

Avi Loeb has suggested that humans themselves may be 'intelligent, self-replicating and self-repairing autonomous probes' ...

Philosophers Eric Schwitzgebel and Jeremy Pober argue that consciousness is likely 'substrate flexible', challenging the ...