Strange cosmic events are unfolding, as nearly all of Andromeda's satellite galaxies align toward the Milky Way, defying our ...

Researchers have long thought that the Milky Way would collide with the Andromeda galaxy in four to five billion years. This scientific illustration depicts Earth's horizon four billion years in the ...

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble Space Telescope to capture hundreds of detailed images of our vast galactic ...

This illustration shows the location of the 43 quasars scientists used to probe Andromeda's gaseous halo. Quasars are extremely distant, brilliant cores of galaxies powered by star-eating black holes.

After Welsh amateur astronomer Isaac Roberts retired from his career in engineering and manufacturing, he devoted his life to ...

Chemical analysis of stars in the galaxy next door has revealed its upbringing was more chaotic than our own galaxy's. When you purchase through links on our site, we may earn an affiliate commission.

Striking new evidence for a mass immigration of stars into the Andromeda Galaxy has been uncovered by researchers led by astronomers at NSF’s NOIRLab. The team used the DOE’s Dark Energy Spectroscopic ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

Did you know that you can see the closest spiral galaxy next to our own in the sky? While binoculars and telescopes will offer much better views, it’s still possible to see it with your naked eye if ...

In a landmark study, scientists using NASA’s Hubble Space Telescope have mapped the immense envelope of gas, called a halo, surrounding the Andromeda galaxy, our nearest large galactic neighbor.

The Andromeda Galaxy is revealed in unprecedented detail in four archive observations from the NASA/ESA Hubble Space Telescope. They show stars and structure in the galaxy’s disk, the halo of stars ...

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 ...