The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.

Astronomers have released the most comprehensive photograph of the Andromeda galaxy, which contains over 200 million stars.

The most detailed panorama of the entire Andromeda galaxy is packed with science that could revolutionize our understanding of how spiral galaxies across the universe form and evolve.

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

What better way to end than with some examples of said beauty and utility? After all that reading, we'll leave you with a few glamour shots of our favorite nebula: Messier 16, better known as the ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

Edwin Hubble's discovery of the expanding universe transformed cosmology, revealing countless galaxies and laying the ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

As we approach solar maximum, something strange is happening to the sun's magnetic field. We explore this flip in polarity in ...

Until now, the largest groups of individually imaged stars spotted beyond our nearest galactic neighbors, such as the Andromeda Galaxy, contained up to seven stars, researchers wrote. "This ...