Why are some people fiery and impulsive while others are calm and measured? The ancient Greeks believed they had the answer, ...

Advanced 3D scans reveal nerves, organs, and circulatory structures in one of the most detailed soft-tissue fossils ever ...

Hello, dear readers! Welcome to our monthly letters column. The calendar is hinting at autumn, but in much of the United States, the heat waves continue. Please factor this into ...

As attention to the importance of hormone health continues to grow, it brings with it many things that are more hype than ...

Q: We’re planning to get pregnant, and I wondered what you could suggest to make sure I have a healthy baby? — Donna R., Fort Worth, Texas ...

The cephalopods appear to favor using their front arms, according to a new study, though their back arms help with locomotion ...

Science writer Mary Roach chronicles both the history and the latest science of body part replacement in her new book. She ...

The Ohio State University Wexner Medical Center is the first site in the U.S. to enroll a patient in an international trial testing whether a novel pacemaker programming ...

Nunavut’s Health Department is encouraging Kugaaruk residents between five and 18 to get screened for dilated cardiomyopathy — a “rare” cardiac condition, according to Health Minister John Main.