Velocities of massive star candidates within the SMC shown as vectors. The colors of the arrows represent the direction of motion. Relative to the LMC, located at the bottom left of the image, most ...

Take a journey to 89 million light-years away from Earth to the NGC 7727 galaxy. It harbors the closest pair of supermassive black holes discovered yet. Credit: ESO/L. Calçada ; N. Risinger (skysurvey ...

Isaac Roberts was the first person to take a clear image of our nearest large galaxy, Andromeda, 2.5 million light years away [Roberts-Klumpke Trust] A successful builder by day and traversing the sky ...

A new study of super-fast-moving stars suggests that they were accelerated by a monster black hole that's been lurking unseen in the galaxy next door. This appears to be the closest supermassive black ...

Astronomers at NASA and Pennsylvania State University have used NASA’s Swift satellite to create the most detailed ultraviolet light surveys ever of the Large and Small Magellanic Clouds, the two ...

Astronomers using NASA’s Hubble Space Telescope have found that Markarian 231 (Mrk 231), the nearest galaxy to Earth that hosts a quasar, is powered by two central black holes furiously whirling about ...

The colors of the arrows represent the direction of motion. Relative to the LMC, located at the bottom left of the image, most red arrows show movement towards the LMC, whereas most light blue arrows ...

An artists impression of a black hole flinging a hypervelocity star out of the Large Magellanic Cloud. (CfA/Melissa Weiss) A new study of super-fast-moving stars suggests that they were accelerated by ...