“While the human penis functions primarily to transfer sperm, our result suggests its unusual large size evolved as a sexual ornament to attract females rather than purely as a badge of status to ...

Want better sex this year? These book recommendations fill the pleasure, desire, and communication gaps most of us were never ...

The wrist looks simple until attention settles on a small bump along the pinky side of the human hand. Many people notice it ...

In an essay, health journalist Meghan Rabbitt shares overlooked health facts that she uncovered while reporting her new book, ...

You'd think we'd know everything there is to know about sexual reproduction. But as it turns out, there are still quite a few ...

Idaho’s budget-writing committee just decided the first big question of the legislative session: how much tax revenue can be ...

Q: I’m a single woman. I’ve been wondering if I should have a will and/or estate plan. Is this something I should be ...

A rare fossil discovery in Ethiopia has pushed the known range of Paranthropus hundreds of miles farther north than ever before. The 2.6-million-year-old jaw suggests this ancient relative of humans ...

Meet the roly-poly pill bug, a backyard “bug” that is actually a crustacean cousin of shrimp and crabs living on dry land.

“Hundreds of fossils representing over a dozen species of Ardipithecus, Australopithecus, and Homo had been found in the Afar ...

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to chimpanzees. By comparing full and half siblings across species and human cultures, ...