Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

All of time and space, everything that ever happened or ever will — where do you start?” said the great Doctor Who. Perhaps ...

Once considered a lost species, this carnivorous marsupial, officially known as the thylacine, could soon make a comeback ...

Game studios have cranked out surprising hits ranging from cooperative platformers to historical epics. NPR staff and ...