This article first appeared on Mother Jones. It has been republished with the publication’s permission. A few hours after taking the Oath of Office on Monday, President Donald Trump issued an ...

In one of Robert F. Kennedy Jr.’s first moves as secretary of the US Department of Health and Human Services, the agency released guidance Wednesday for the US government, external partners and the ...

If you're one of the 40 percent of the population who suffer from aviophobia (fear of flying), it may soothe your nerves to ...

A lack of female animal models in research has led to a clear failure to scientifically study sex differences. In 2017, Susanne Wolf, a neuroscientist from the Max Delbruck Center (MDC) in Germany, ...

Our understanding of sex has come a long way. Aristotle theorized that heat during conception determined whether someone was born male or female. But while researchers have long moved on from that ...

Researchers have discovered an extraordinary, vibrantly colored tropical bird with "female" feathers down one side of its body and "male" feathers down the other. Female green honeycreepers ...