Genes associated with male reproductive biology appear to be under relaxed selective constraint in a primate species with low sperm competition.

A new study has examined how mothers influence the size of their child's head—and, as a result, brain size and future ...

New research has found the reproductive system goes through a surprising change that’s detrimental to women’s health in the ...

For most women, the body begins to change dramatically in their 40s or 50s. This transition, known as menopause, is defined ...

The Palestinian Feminist Collective has issued a 200-page report on the sexualized and gendered violence perpetrated against ...

We've all heard of menopause: a supposedly terminal moment for the female reproductive system, in which the ovaries stop ...

Base editing in human embryos reveals that NANOG is the one gene required to form every body tissue. Cambridge’s landmark ...

At first glance, bat sea stars, the nubbly, orange, many-footed creatures often found on the seafloor, seem about as far from humans as one can get. Appearances can be deceiving, however. Scientists ...

Having already withdrawn from the Human Rights Council, the U.S. has adopted an increasingly isolationist and obstructive stance within international institutions. Will the United States become the ...

We look into the body’s circulatory systems. By Sam Sifton I’m the host of The Morning. We’ve long known about two systems in the human body that circulate fluids. A physician in Italy observed the ...

Some discoveries change the way we view the human body. In 2021, researchers described what they saw when they had examined skin-biopsy samples that included tattoos: The ink particles had traveled ...

This time it’s personal . . . . It’s next to impossible to walk through “Costume Art,” the Met’s blockbuster fashion exhibition, as an impassive observer. Active looking is more than encouraged, it’s ...