The vampire bat might be nature’s purest super-villain. But it’s not the only flyer known to subsist off of the blood of its ...

The “vampire”-like animals were popular aquarium pets — and a new species. Achmad Rian Dietra made several treks into the forests of Java island in search of vampire crabs. These colorful ...

The lamprey, an invasive species, spread throughout the Great ... Play the USA TODAY Daily Crossword Puzzle. More: 'Vampires of the Great Lakes': Parasitic sea lampreys exceed targets in all ...