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 prey. Here are four birds that also practice "hematophagy." Hematophagy is ...

A rarely seen deep-sea creature has just been captured on film—and what the camera revealed left researchers speechless. Drifting slowly through the pitch-black waters of the abyss, the strange, ghost ...

The elusive 'vampire squid from hell' has just yielded the largest cephalopod genome ever sequenced, a monster clocking in at more than 11 billion base pairs – more than twice as large as the biggest ...