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

From vibrant star-forming nebulae to supernova explosions, check out these 7 astonishing images of deep space shared by NASA.

A new computational method gleans more information than its predecessors from maps showing how galaxies are clustered and threaded throughout the universe.

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside our galaxy.

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

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight Center. Credit: NASA's Goddard Space Flight Center Producer & Director: James ...

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 ...

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

How do images taken by the James Webb Space Telescope (JWST) appear so colorful, and where do the colors come from?

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

NASA's Roman Space Telescope is preparing for launch in 2027, with a mission to study distant galaxies and explore dark ...