Stacker dove into film and TV history to compile a list of fictional inventions and gadgets that have yet to come to fruition ...

Ridley Scott's exceptionally influential sci-fi film Alien is a hit on streaming once again. Find out more here.

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

A unique technique allowed astronomers to see the early universe as a "sea of light" and explore the effects of gravity and dark energy on cosmic evolution.