From space slugs to lunar cemeteries, these movies, games, and books show that the undead can arrive from above, as well as below.

Blind, deathly white and with a full set of razor-sharp teeth it is like a creature from a B movie horror film. But for gardeners in Wales the albino ghost slug, which devours worms and sucks them up ...

Many conspiracy theorists have taken the initiative to find life on Mars by analyzing every picture that is sent back to Earth from the red planet. Now, one Martian researcher believes to have found a ...

The blood-sucker is one of 24 new species of the killer parasite Cymothoa exigua which stays alive by feeding on its host from the inside. A blood-sucking parasite has been found to eat fish from the ...