When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...

The galactic collision of the Andromeda galaxy and the Milky Way The Andromeda Galaxy, located about 2.5 million light-years from away, is barreling toward the Milky Way. Racing at a speed of 250,000 ...

At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, ...

"Everything scattered in the Andromeda system is very asymmetric and perturbed. It does appear that something significant ...

LEDA 1313424, aptly nicknamed the Bullseye, is two and a half times the size of our Milky Way and ... by a collision. For that reason, it’s been nicknamed the “Bullseye galaxy.” ...

The world's most powerful space telescope, the James Webb Space Telescope, has turned its sensitive instruments on the center of the Milky Way galaxy and ... The collision results in a hot ...

Nova explosions occur in binary star systems in which a white dwarf—the dense remnant of a dead star—continually siphons stellar material from a nearby companion star. As the outer atmosphere of the ...

The smaller ones are like solar flares and the bigger ones are comparable to the collision of two magnetic ... black hole in the center of the Milky Way galaxy is known as Sagittarius A ...

A team of astronomers, led by Yale University, has made an exciting discovery—a giant galaxy with a record-breaking nine ...