Gravity is the force of action between two objects. It’s called a natural force because it acts at a distance rather than needing to be in contact. Gravity is the force that holds us down on Earth and ...

Children watching Pixar’s new animated sci-fi adventure “Elio” may be dazzled by the film’s science fiction concepts, wild alien characters and outer space adventures. Adults, however, might ...

A long-standing science fiction concept for space travel is to create artificial gravity aboard the spacecraft to create a more suitable environment for astronauts. Artificial gravity in sci-fi movies ...