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

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

The European Space Agency’s Gaia mission has almost completely depleted the cold gas propellant that kept it spinning and ...

Scientists have linked supernovae to the heating of the Milky Way's outer gas layer, revealing a cosmic dance of creation and ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

Researchers from the University of Connecticut have created the first 3D maps of star-forming gas clouds in one of the most ...

Edwin Hubble's discovery of the expanding universe transformed cosmology, revealing countless galaxies and laying the ...