Astronomers have discovered a record-breaking black hole moving at over 1,000 km/s, believed to have been ejected after ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

What Happens When Galaxies Collide? In about four billion years from now, the Milky Way and Andromeda galaxies will crash together Visualization: NASA, ESA, and F. Summers, STScI Simulation credit ...

Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...

A supermassive black hole that doesn't appear to be where we would expect seems to be travelling at more than a thousand ...

Because the density of galaxies is high within clusters, galaxy collisions occur. One such collision can be seen in the lower right of the image of the Virgo cluster below. Galaxies at the center ...

Two spiral galaxies undergo a protracted crash lasting two billion years, eventually merging into a single elliptical galaxy. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy ...

Called SPHEREx, and set for launch on a SpaceX Falcon 9 rocket from Vandenberg Space Force Base no sooner than Tuesday night, ...