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

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

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

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.

The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.

An official statement issued on Wednesday said that this length compares to roughly 10 times the size of the Milky Way’s ...

The Andromeda galaxy is our closest galactic neighbour, barring dwarf galaxies that are gravitationally bound to the Milky ...

Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have ...

The astronomical panorama is a major accomplishment because Andromeda is the “closest” large galaxy to ours, at a distance of 2.5 million light years away—equal to the diameter of the Milky Way disk ...

Image: CfA/Mel Weiss Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for ... hole’s accretion disk—the superheated, glowing ...

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...