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

This collage highlights a small selection of regions of the Milky Way imaged as part of the most ... [+] detailed infrared map ever of our galaxy ... a celestial landscape of vast, glowing ...

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

Also called M31—and our closest giant neighboring galaxy at just 2.5 million light years away—Andromeda is home to at least a trillion stars. Like the Milky Way, it’s a spiral galaxy ...

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

Now a study has found something fascinating about our galaxy, the Milky Way. Home to nearly 400 billion ... just as the terrestrial landscape is separated into watersheds." Explaining what BoAs ...

Our solar system resides in a galaxy called the Milky Way, stuffed with between 100 billion and 400 billion other stars, many of them with planets of their own. The Milky Way got its name from the ...

Scientists have found the beginnings of a young universe that may offer insights into the beginnings of our own Milky Way Galaxy. Geoff Bennett and Miles O'Brien discussed why scientists are ...

It’s beautiful but also a reminder of the ultimate fate that awaits our own Milky Way galaxy. The image was captured using the NOIRLabs’ International Gemini Observatory. NOIRLabs says that ...

This study opens important questions in cosmology, particularly on the amount of dark matter contained in our galaxy. The total mass of the Milky Way is estimated to be only two hundred billion ...

It seemed that these redshifted galaxies were all moving away from the Milky Way. Hubble’s results suggested the farther away a galaxy was, the faster it was moving away from Earth. Hubble got ...