People who have had sex with fewer people seem to be more satisfied after they tie the knot. Is there hope for promiscuous romantics?
A report that the Trump administration plans to define gender based on the appearance of infants runs counter to developmental biology and individual privacy.
The founder of a global abortion-pill provider that has never shipped to the U.S. has quietly started a new service for Americans.
A new study on Civil War prisoners adds to the evidence suggesting that our parents’—and even grandparents’—experiences might affect our DNA.
Backed by major funders, a group of scientists has created a platform to help the world’s disease detectives. Will it work?
Our ancient-hominid relatives seem to have had surprisingly sophisticated health care.
With the Olympics ahead, artificial-wave makers appear to be one-upping one another in their attempt to bring surfing to the world.
Scientists are coming to a consensus that men in America and Europe are experiencing a worsening decrease in fertility. They disagree, however, about why.
Viewers are outraged that some of the site’s biggest celebrities have partnered with a controversial online counseling service.
A look at what happens when abortion is forbidden, from countries where it still is
Everyone’s social nightmare might have lasting effects on relationships.
An American Indian woman has devoted her life to investigating some of the country’s many missing-persons cases involving indigenous women.
Lissa Yellowbird-Chase, an amateur sleuth, believes that every human being deserves to be searched for.
A new study adds to the evidence that routine moments of “disdain, distance, and disrespect” have health consequences.
The opioids bill that passed Congress includes a measure to let hospice workers destroy unneeded medications.
An awareness campaign by the U.S. Surgeon General has led to a surge in demand for the overdose-reversal drug.
After researchers resurrected a long-dead pox, some critics argue that it's too easy for scientists to make decisions of global consequence.
At the height of the AIDS crisis, a number of Americans confronting HIV sold their life insurance for quick cash. Then lifesaving drugs came along.
A very short book excerpt
A new study shows that fentanyl test strips nudge drug users to take extra precautions.
Experiences like hearing voices are leading psychologists to question how all people perceive reality.