A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

The galaxy, located in the constellation Leo, is about the same size as a star cluster within the Milky Way and is about the ...

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

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

Exoplanets have captured the imagination of the public and scientists alike and as the search continues for more, researchers ...

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

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