It is often assumed that modern humans are no longer evolving. But there is now considerable agreement among scientists that evolution is still affecting our species—and this process is taking place ...

New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and signals that drive this process. The findings offer important insights into ...

‘Overpopulation’ is a scary word, bringing to mind a dystopian Earth where people live in grimy cities and fight over what little food is left. But the reverse of this is just as terrifying – ...

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 ...

Researchers have successfully grown mouse embryos aboard the International Space Station (ISS) for the first time. This represents "the first-ever study that shows mammals may be able to thrive in ...

Human biology evolved for a world of movement, nature, and short bursts of stress—not the constant pressure of modern life. Industrial environments overstimulate our stress systems and erode both ...

When humans kill wolves, they compensate by reproducing more and their populations tend to rebound. But socially, gray wolves are far less resilient to human disruptions and even one loss can ...