Astronomers using NASA’s Chandra X-ray Observatory and powerful radio telescopes have likely solved a cosmic mystery—what ...

Astronomers have discovered a giant, 500-light-year-wide cavity between two star-forming regions in the constellations Perseus and Taurus. An ancient supernova could be the culprit.

Near the center of the Milky Way are enormous filaments of radio energy that sometimes look like bones, and one in particular ...