One of the most extensively studied stellar streams within the galactic halo of the Milky Way is the GD-1 stellar […] The ...

With new images from the Hubble Space Telescope, we have new information here in the Milky Way about our closest neighboring ...

The instrument is the Prime Focus Spectrograph, and it is one of the flagship instruments in the next era of the Subaru ...

Galactic nuclei images reveal how supermassive black holes interact with their surroundings using infrared telescopes.

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

Astronomers are sounding alarm bells as the world's most precious sky-observing location faces a light pollution risk due to ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

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

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 ...

Astronomers have unveiled the largest-ever photomosaic of the Andromeda galaxy, a sprawling celestial giant with over 1 ...

Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way.

Six or seven billion years ago, most stars formed in super star clusters. That type of star formation has largely died out ...