A long-standing mystery in materials science is beginning to unravel as researchers directly probe the hidden atomic ...

Each year brings the loss of familiar names, but some deaths feel bigger because of the history attached to them.

American Journeys: This medical odyssey gave him a new lease on life ...

A guide to walking, a look at the world’s Google searches and a deep dive into the secrets of our DNA are some of the topics ...

Against expert advice, people are using new and unpredictable synthetic drugs to experiment on themselves in hopes of ...

An update to an experiment run by Henry Cavendish in 1773 could be a cheaper and faster way to spot a potential dark matter ...

Racism that fueled the syphilis study still permeates the U.S. health care system, causing disparities in access to medical ...

Organizers have billed the events as a nationwide day of action to demand policies that put the interests of working people ...

Species recovery, cancer-preventing vaccines and progress in developing renewable-energy sources are just some of the ...

May's full moon rises as flowers bloom across the northern hemisphere.

Something invisible holds the universe intact. It outweighs everything you can see—every star, every gas cloud, every ...

Venus, Jupiter and Mercury headline May's skywatching, with stunning moon pairings and a three-planet display.