Investigative reporting suggests that Iran may have used at least one warhead in the attacks that incorporated radiological ...

A Knoxville nuclear company backed by Bill Gates has asked Tennessee for a license to help it build the world’s first fusion power plant.

Astronomers have long faced a strange contradiction: most stars are born in pairs, and ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

An international collaboration of astrophysicists that includes researchers from Yale has created and tested a detection system that uses gravitational waves to map out the locations of merging black ...