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 ...

Researchers have found the earliest-known fossil mosquito in Lower Cretaceous amber from Lebanon. What's more, the well-preserved insects are two males of the same species with piercing mouthparts, ...