Why is the Andromeda Galaxy moving toward us while other neighboring galaxies are speeding away? For decades, such galactic movements have puzzled astronomers. Now, computer simulations by Ewoud Wempe ...

Our galaxy and its nearest large companion, Andromeda, may be headed for a collision on a cosmic scale. What happens then?

Add Yahoo as a preferred source to see more of our stories on Google. An international team of researchers, using the Large Binocular Telescope in Arizona, has discovered a faraway galaxy named KiDS ...

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum plaguing the standard model of cosmology. When you purchase through links on our ...

A team of Italian astronomers discovered a fossil galaxy estimated to be 3 billion light-years away from Earth, making it the most distant spectacle of its kind outside of the local universe. Dubbed ...

For decades, scientists engaged in the Search for Extraterrestrial Intelligence (SETI) have probed the galaxy for signs of artificial radio transmissions. Beginning with Project Ozma in 1960, ...

Nearly every galaxy has a supermassive black hole in its core. Whether the black hole forms first and then the galaxy around it—or the other way around—is still a matter of some debate, but we know ...

Hubble has captured a striking new image of NGC 2775, a galaxy that defies easy classification. Blending features of spirals, ellipticals, and lenticulars, its puzzling structure may be the result of ...

The structure of the local universe is surprisingly flat, according to new research, and this cosmic quirk may save our Milky Way from colliding with countless other massive, nearby galaxies — except ...