Messier 31 (The Andromeda Galaxy) - NASA Science

https://science.nasa.gov/mission/hubble/science/explore-the-night-sky/hubble-messier-catalog/messier-31/
Nov 13, 2025 · Assembled from a total of 7,398 exposures taken over 411 individual pointings of the telescope, this image of our nearest major galactic neighbor, M31, is the largest Hubble mosaic to date. The 1.5 billion pixels in the mosaic reveal over 100 million stars and thousands of star clusters embedded in a section of the pancake-shaped disk of M31, also known as the Andromeda Galaxy. Though the ...

Hubble telescope takes one of the most detailed looks at...

https://www.livescience.com/space/astronomy/hubble-telescope-takes-one-of-the-most-detailed-looks-at-neighboring-andromeda-galaxy-ever-space-photo-of-the-week
3 days ago · The new study found that the Andromeda galaxy (M31) has been steadily slowing its production of new stars over the past 500 million years.

NASA’s Hubble Shows Star Formation in Andromeda Galaxy Winding...

https://science.nasa.gov/missions/hubble/nasas-hubble-shows-star-formation-in-andromeda-galaxy-winding-down/
Jul 27, 2026 · A new study using data from NASA’s Hubble Space Telescope finds that star formation in the nearby Andromeda galaxy has undergone a 500-million-year decline, with an even steeper drop in the last 40 million years.

Andromeda’s star formation is slowing down - Astronomy Magazine

https://www.astronomy.com/science/andromedas-star-formation-is-slowing-down/
5 days ago · Star formation in the nearby Andromeda Galaxy (M31) has been slowing down over the last 500 million years, according to a new study using Hubble Space Telescope data. The study was published July ...

Ground-based image of Andromeda Galaxy, M31 | ESA/Hubble

https://esahubble.org/images/opo1203b/
Jan 11, 2012 · Ground-based image of Andromeda Galaxy, M31 This image, from the WIYN/KPNO 0.9-meter telescope, shows the Andromeda Galaxy, the nearest spiral galaxy to the Milky Way.

Sharpest ever view of the Andromeda Galaxy - ESA/Hubble

https://esahubble.org/images/heic1502a/
This image, captured with the NASA/ESA Hubble Space Telescope, is the largest and sharpest image ever taken of the Andromeda galaxy — otherwise known as M31. This is a cropped version of the full image and has 1.5 billion pixels.

Hubble Study Reveals Unique Evolution of Andromeda's Satellite...

https://www.sciencenewstoday.org/hubble-study-reveals-unique-evolution-of-andromedas-satellite-galaxies
Mar 1, 2025 · An ambitious survey by the Hubble Space Telescope was made to plot the galaxy locations in three-dimensional space. In this video we circle around a model of the Andromeda system based on real Hubble observational data.

ESA - Hubble traces hidden history of the Andromeda Galaxy

https://www.esa.int/Science_Exploration/Space_Science/Hubble_traces_hidden_history_of_the_Andromeda_Galaxy
Jan 16, 2025 · In the years following the launch of the NASA/ESA Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the Universe. But only one galaxy stands out as the most important nearby stellar island to our Milky Way: the magnificent Andromeda galaxy (Messier 31).

The Hidden Lives of Andromeda's Satellite Galaxies: Insights from...

https://www.newplanetarium.com/journal/2025-02-02
Feb 2, 2025 · Astronomers used the Hubble Space Telescope to study 36 dwarf galaxies orbiting Andromeda (M31), revealing their unique star formation histories and evolutionary differences from Milky Way satellites.

NASA's Hubble traces hidden history of Andromeda galaxy

https://www.sciencedaily.com/releases/2025/01/250117171319.htm
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...