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

Astronomers have released the most comprehensive photograph of the Andromeda galaxy, which contains over 200 million stars. This astounding accomplishment sheds light on the galaxy's development and ...

Astronomers completed a 10-year project to assemble a complete portrait of the Andromeda galaxy. The result is a detailed panoramic image, the most comprehensive view of the galaxy ever captured.

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...

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

Rethinking the Underlying Trigger of Quasar Jets Building on the groundbreaking 2020 discovery of newborn jets in several ...

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

The Hubble Space Telescope has used its sensitive instruments to create a mosaic image containing 2.5 billion of the Milky Way's closest neighbor.

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

Fast radio bursts are mysterious and brief flashes of radio emissions that were thought to be produced by magnetars, highly magnetized rotating neutron stars. Yet magnetars appear primarily in young ...

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

This rare quasar with spiral arms could help astronomers understand how supermassive black holes feed and grow.