The explosions, which leave behind a black hole or a neutron star ... hydrogen-depleted supergiant star in the Andromeda galaxy (M31) failed to detonate as a supernova. The research, posted ...

A close-up view of a prodigious number of stars in the Andromeda galaxy. Credit: NASA / ESA / B. Williams (U. of Washington) The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 ...

Using variable stars as distance markers and the giant telescope on Mount Wilson, Edwin Hubble (then a young and little-known astronomer) was able to show that the Andromeda Nebula was over a ...

At the heart of the Andromeda Galaxy lies a supermassive black hole with a mass of approximately 1.5 billion times that of our sun! This black hole plays a crucial role in shaping the galaxy’s ...

But only one galaxy stands out as the most important nearby stellar island to our Milky Way -- the magnificent Andromeda galaxy (Messier 31). It can be seen with the naked eye on a very clear ...

But only one galaxy stands out as the most important nearby stellar island to our Milky Way—the magnificent Andromeda galaxy (Messier 31). It can be seen with the naked eye on a very clear ...

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 ...

All the Latest Game Footage and Images from The Andromeda Mysteries Solve a mystery of a ring of spies, or a stolen alien artifacts. Play on an asteroid or at the edge of a black hole. This sci-fi ...

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars. When you purchase ...