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

Discover the stunning 2500-megapixel photomosaic of Andromeda, created from 600 Hubble photos, showcasing the telescope's ...

Hubble's first gigapixel panorama of the Andromeda Galaxy was published exactly ten years ago. This has now been ...

Panorama of Nearest Galaxy Unveils Hundreds of Millions of Stars On a crisp, clear autumn night, you can see the most distant object visible to the naked eye — the stunning Andromeda Galaxy, our Milky ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

It was a spiral galaxy. Hubble Space Telescope images of V1 (inset), which was the Cepheid variable star in the Andromeda spiral that allowed Edwin Hubble to measure the spiral's distance and ...

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 ...

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