Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent ...

Science fiction at its best isn't always just about spaceships and aliens. While blockbusters give us explosions and invasions, the truly great ones use their f ...

Star Trek turns 60 years old this year, and with Starfleet Academy premiering this month, we're celebrating by ranking all 12 of the previous Trek series.

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...