A century ago, a star in Andromeda named V1 launched a revolution in astronomy, revealing its true immensity and the origin ...

A survey of space shuttle Atlantis' outer body has revealed that four tiles on the right side have "some dings" in them, the flight director said Tuesday. "As we were going through the surveys we did ...

Hubble’s stunning view of NGC 4102 reveals a seemingly calm spiral galaxy hiding a quietly powerful supermassive black hole at its center. Wrapped in thick gas, the galaxy’s core glows softly across ...