A cold blob of water in the North Atlantic points to a weakening of the Atlantic Meridional Overturning Circulation, researchers report.

Vitamin K lowers the risk of bleeding, including in a circumcision. That procedure may explain a disparity in which infants are more likely to get the shot.

A science-art team uses research data to make music featuring sounds of Antarctica and outer space

The FDA will allow bemotrizinol in sunscreen. The chemical is long-lasting and defends against solar radiation that ages skin.

Researchers used machine learning to help predict chemical signatures for over 1 billion possible fentanyls, including variants never seen before.