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.

A jaw-dropping new panorama of Andromeda galaxy took 10 years to create. The largest photomosaic of the cosmic wonder was ...

We are located only 27,000 light years from the galactic center and go around the center once in some 225 million years – quite amazing stuff! In the known universe since the Big Bang event (13.5 ...

Hundreds of distant red giant stars in another galaxy are the upcoming targets of an upcoming James Webb Space Telescope observation. The researchers behind the proposal hope that by looking at stars ...

Located about 2.5 million light-years from our solar system, Andromeda is the most distant object visible to the naked eye. When you purchase through links on our site, we may earn an affiliate ...

Researchers using the Hubble Space Telescope have, for the first time, mapped out the enormous halo of gas around Andromeda, the nearest major galaxy to us. The faint but huge cloud of hot gas ...

Our Milky Way Galaxy is on a crash course of epic proportions: about four billion years from now, scientists predict it will collide with its neighboring Andromeda Galaxy and form a giant elliptical ...

Looking for a sky event this week? Check out our full Sky This Week column. November 22: Titan transits Saturn Andromeda the ...

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.