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

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

This collage highlights a small selection of regions of the Milky Way imaged as part of the most ... small stars about 70 times the size of Jupiter and the closest brown dwarfs to the ...

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

Seen in polarised light for the first time, the image above is of Sagittarius A*, the supermassive black hole at the center of the Milky Way ... said Issaoun. Size comparison of the two black ...

Subsequent advances revealed first the size of the Solar System, then the distances to the nearest stars and an approximate scale for the Milky Way. Well before Hubble, some people had proposed ...