But their efforts paid off. On that trip, they saw a bird that very few people have ever set eyes on in the wild: the vampire ...

Vampire movies have trained us to expect the worst out of any creature that has "vampire" in the name. We only have ourselves to blame for that, as the vampires from the movies don't exist in real ...

Vampire bats feed exclusively on blood, as many people know, but less is known about how or why they adapted to thrive on such a strict diet. There are three species of vampire bats. Together, they ...

Add Yahoo as a preferred source to see more of our stories on Google. Bloodsuckers or bloated corpses? How science has tried to explain vampire myths. Lore about vampires and other blood-drinking ...

Scientists put the bloodsucking mammals on a treadmill to understand how they get the energy to chase down their next meal. Researchers tracked how vampire bats processed their blood meals as they ...

Vampire bats might have developed a creepy reputation with all the eating blood and flapping about at night, but their ability to survive off an entirely blood-based diet is part of what makes them so ...

A young Vampire squid (Vampyroteuthis infernalis) surprised the research crew as we started to ascend from Sur Ridge in December 2013. Like many deep-sea cephalopds, vampire squid lack ink sacks.

Despite the scary name, modern vampire squid are docile denizens of the deep sea — but their Jurassic ancestors may have been a lot fiercer. Fossilized tissue suggests V. rhodanica had a very ...