Brain scans, postmortem dissections, artificial intelligence and lab mice reveal differences in the brain that are linked to sex. Do we know what they mean? When you purchase through links on our site ...

Neuroscientists studying the shifts between sleep and awareness are finding many liminal states, which could help explain the disorders that can result when sleep transitions go wrong Yasemin ...

President Trump wants to ban transgender athletes from competing in women's sports due to a supposed biological advantage. But what does science say? Dr. Bradley Anawalt, an endocrinologist and ...