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

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

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

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light ...

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

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the ...

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

For the first time, astronomers have spotted and "weighed" a baby Milky Way-like galaxy lurking in ... which enabled the researchers to accurately measure the individual components of the galaxy ...

Like the Milky Way, it’s a spiral galaxy ... They allow astronomers to accurately measure galactic distances solely by their brightness. RR Lyrae are old stars with very specific physical ...

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 ...

"The internal structure and history of the Milky Way is still far from being understood, in part because it is extremely difficult to measure distances to stars at the outer regions of our galaxy ...

Spur and gap features seen in Milky Way’s GD-1 stellar stream could be caused by a self-interacting dark matter subhalo. New research points to a dark matter subhalo as the architect behind the unique ...