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 ...

The telescope was named after astronomer Edwin Hubble, who studied the neighboring Andromeda Galaxy using the Mount Wilson Observatory in Los Angeles in 1923, according to the observatory’s website.

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.

In commemoration of Edwin Hubble's discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of ...

In the sprawling Hydra constellation, 137 million light-years away, lies NGC 3285B—a dazzling spiral galaxy recently ...

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 ...

Hubble had been in space for less than two years when its Goddard High Resolution Spectrograph detected traces of boron in a not-too-distant star. At an estimated age of 14.5 billion years, the ...

A large fraction of M31's dwarf satellites are confined to a plane around the Andromeda Galaxy, as confirmed earlier in 2025 by the Hubble Space Telescope, and a similar satellite plane exists ...