Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

A mind wrapped in skin and bone can feel like the obvious model for consciousness. But that assumption may say more about where you live than about what consciousness really requires.

Alien: Earth showrunner Noah Hawley clearly didn’t think the franchise was doing enough with the implications of its title. Ridley Scott’s Alien (1979) imagined the kind of nightmare lifeforms that ...