In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

The Bullseye is now confirmed to have nine rings, eight of which are visible to Hubble. Researchers confirmed the existence ...

In 1925, astronomers were still debating whether the Milky Way galaxy encompassed the entire universe. It is incredibly huge, 100,000 light years from one side to the other. That means if you ...

Contributing editor Jim Richardson is a photojournalist recognized for his explorations of small-town life. His photos appear frequently in National Geographic magazine. It was a grand sight to ...

That's the Andromeda galaxy, our closest galactic neighbor, and in 4 billion years, it will collide with the Milky Way, throwing our ... from the first detailed photograph of this massive gas ...

The Milky Way galaxy rising in the sky above Taftanaz, Syria. (Photo by Omar HAJ KADOUR / AFP) ... [+] (Photo by OMAR HAJ KADOUR/AFP via Getty Images) The densest part of the Milky Way—its ...

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

This illustration shows a stage in the predicted merger between our Milky Way ... galaxy’s mass, it has proved elusive to observe. A new deep imaging technique enabled scientists to photograph ...

Aside from being stunning, NOIRLabs says the photo also showcases the ultimate fate of the Milky Way, the very galaxy we call home. Scientists have predicted for a while now that the fate of the ...

The materials that make up your body are intergalactic voyagers that have existed beyond the limits of the Milky Way ... of life "took the long way around" the galaxy before coming together ...

NASA’s James Webb Space Telescope has detected and “weighed” a galaxy – seen 600 million years after the Big Bang – that is similar to what our Milky Way galaxy might have ... years after the Big Bang ...