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

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

He thought these might be clues to galaxy evolution -- but the answer had to wait for the Hubble Space Telescope's legendary Hubble Deep Field in 1994. The most impactful finding that Edwin Hubble ...

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

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

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe ... for Surveys and the Wide Field Camera 3 aboard Hubble ...

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 ...