A gruesome ‘Alien-like’ parasite which eats the tongues of bream and then 'replaces' them in its victims mouths is spreading in the Mediterranean. Almost half the fish in some areas are infected with ...

Ridley Scott's aliens are tearing their way out of chests and on to big screens again tonight in Alien: Covenant, so we've taken a look at the science behind the science fiction. If you've not had 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 ...

Undoubtedly, Xenomorphs are still one of the freakiest monsters ever to be released on big screens. The biomechanical design, the green acid blood, and a never-ending hunger for blood still give fans ...