A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing in the night sky, larger than a full moon. Textbooks ...

Astronomers deployed the Hubble Space Telescope over the course of a decade to conduct 600 separate observations to produce an extraordinary mosaic of the great spiral galaxy. Astronomer John S.

This new Hubble Space Telescope image represents just half of a planned project to study the motions of Andromeda's dwarfs. In five years time, Hubble or the James Webb Space Telescope will ...

How did a Cepheid variable star help Edwin Hubble prove the Andromeda Nebula was a galaxy? Roger Brady San Quentin, California Cepheids are rare variable stars with periods ranging from about 1 to ...

However, new research leveraging over a decade of data from the NASA/ESA Hubble Space Telescope, combined with observations from the Gaia space telescope, is challenging this long-held certainty.