The Andromeda galaxy ... an event that caused a surge in star formation, which then slowed down.” Scientists believe a collision with another galaxy, possibly its smaller companion Messier ...

Computer simulations suggest that when a close encounter with another galaxy uses up all the available interstellar gas, star formation subsides. "Andromeda looks like a transitional type of ...

Such remarkable research reveals, not only how the galaxy came to be shaped by its previous mergers and star-forming processes, but also points to the unique contrasts between Andromeda and the ...

The Hubble Space Telescope has produced the most comprehensive survey of the Andromeda galaxy, revealing new clues about its history. The Hubble survey, assembled from over 1,000 orbits and ...

Hubble captures largest Andromeda galaxy photomosaic 200 million stars revealed in Andromeda’s stunning image Insights into Andromeda's mergers and star-forming history ...

Beneath that is a selection of intriguing sights within the mosaic, labeled A through E: A: Star clusters in Andromeda, foreground stars in our Milky Way galaxy, and two background galaxies far ...

There’s Star Trek Day on Sept. 8, the anniversary of the premiere of Star Trek: The Original Series. There’s First Contact Day on April 5, the anniversary of the fictional date on which ...