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

By that metric, the ESA’s Gaia mission is a resounding success. The spacecraft gave us a precise, 3D map of our Milky Way galaxy and has forced us to abandon old ideas and replace them with compelling ...

Two Micron All-Sky Survey (2MASS) imagery was used to create a animation of the warp of the Milky Way galaxy. Credit: 2MASS, ...

And, if the timing is right, you might even see a hazy belt stretched across the sky—the starry, dusty core of our very own ...

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

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

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

The Milky Way ... see it as an arc of light across the night sky. It's one of the most beautiful sights in nature, but it requires a dark sky and dark-adapting your eyes for about 10-20 minutes ...

The light temperature changes depending on where you see it in time. And so what it is telling scientists is an awful lot about the early formation of things like the Milky Way Galaxy in ways we ...

The Andromeda galaxy is approximately 2.5 million light-years away from the Milky Way. The observations recorded ... Here's how to see it: Planetary alignments aren’t rare, but 6 visible planets ...