Researchers believe mosquitoes in a part of Brazil where they would once have targeted a wide variety of creatures to feed on ...

A pigment that makes feathers and hair orange helps prevent cellular damage by removing excess cysteine from cells.

Brazil has the “world’s richest genetic diversity”, and some of its residents may reap the longevity benefits.

Not only do women get more migraines than men, but a new study shows they also experience them for a longer duration.

W hat female mosquitoes choose to feed on has a bearing on human health, since they transmit pathogens from one host to ...

Scientists found that some mosquitoes really are targeting humans more than other food sources, but it could be a matter of ...

An Italian study reveals that ancient DNA from Western Hunter-Gatherers, who survived the Ice Age, is more prevalent in ...

Once mosquitoes acquire a new food source, they tend to develop a preference for that particular blood—and humans are one ...

In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...

About 14,400 years ago, a weeks-old wolf puppy ate its last meal - meat from a woolly rhinoceros - shortly before dying on ...

Menopause, when a woman’s period ceases, is a stark example of the consequences of ovarian aging. It occurs when the ovaries ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...