New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and ...

Humans are pretty monogamous, all things considered. That’s not a judgment call – it’s the conclusion of a new study from a ...

As humans gear up for an era of exploring places like the Moon and Mars, a big question arises: can humans reproduce in space? In many ways, we’re still far out from a definitive answer, and ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. When humans kill wolves, they compensate by reproducing more and their populations tend to ...