Using the Hubble Space Telescope (HST), astronomers from the University of California Santa Cruz (UCSC) and elsewhere have ...

Unusual detection bolsters evidence that the mysterious signals can be caused by different astrophysical events.

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

This rare quasar with spiral arms could help astronomers understand how supermassive black holes feed and grow.

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...