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

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

A century ago, Edwin Hubble unveiled a groundbreaking discovery that revolutionized humanity’s understanding of the cosmos.

Definition: Hubble Space Telescope (HST) is a space telescope named after renowned astronomer Edwin Hubble. It was launched in 1990 and is one of the great observatories of NASA. Description: Hubble ...