Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The male sex organs of the animal kingdom come in all shapes and ...

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Most library-goers don’t get to enjoy a bit of nature while pursuing books; not so for Portugal’s Joanine Library. A colony of bats has called the library home since the 18th century. The fascinating ...

Bats are unusual creatures. They’re the only mammals that can truly fly, they sleep while hanging upside down and they use echolocation to hunt and navigate their surroundings. Now, scientists have ...

It looks like flying isn’t the only unusual thing that bats can do compared to other mammals. New research has found a bat species whose males use their large penises like an arm during sex. Rather ...

Mammals usually mate via penetrative sex, but researchers report November 20 in the journal Current Biology that a species of bat, the serotine bat, (Eptesicus serotinus) mates without penetration.