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

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

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

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

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.

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

Watch the mesmerizing Tarantula Nebula video captured by the Hubble telescope, showcasing the most productive star-forming ...

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