“For example, Chandra’s X-rays reveal the high-energy radiation around the supermassive black hole at the center of M31 as ...

Witness the breathtaking beauty of our home galaxy, the Milky Way, through 6 stunning images captured by NASA's Hubble Space ...

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Learn about the new research that changes the estimates of the Milky Way’s demise.

For more than a century, astronomers have watched the Andromeda galaxy, a massive swirl of neighboring stars, speed toward the Milky Way. And in recent years, measurements using the Hubble Space ...

The collision of the Milky Way and Andromeda galaxies that scientists believed was inevitable has a much lower probability than previously thought. The Associated Press reported Monday that ...

These companion galaxies exert gravitational tugs that change the motions of their hosts. M33 nudges Andromeda slightly toward the Milky Way, increasing the chance of a merger.

The collision between the Milky Way and Andromeda, long considered inevitable, might ultimately not occur. Recent simulations challenge this prediction, opening new perspectives on our galaxy's fate.

A new image from NASA composed of different wavelengths created a stunning image of Andromeda. “This new image of M31 is released in tribute to the groundbreaking legacy of Dr. Vera Rubin, whose ...

They explored how the Milky Way, Andromeda, and their significant satellite galaxies, like M33 and the Large Magellanic Cloud (LMC), interact gravitationally. Possible future MW-M31 orbits.