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

Video of the largest photomosaic ever assembled from Hubble Space ... stars in the Andromeda galaxy. The UC Santa Cruz team also studied the collection of stars that reside in the disk-shaped portion ...

But only one galaxy stands out as the ... Advanced Camera for Surveys and the Wide Field Camera 3 aboard Hubble to photograph the northern half of Andromeda. This program was followed up by ...

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

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

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 ...

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

The second-most important star is nestled inside the Andromeda galaxy ... but the answer had to wait for the Hubble Space Telescope's legendary Hubble Deep Field in 1994. The most impactful ...