Only astronomers know for sure... Or do they? In this assembly of images taken with Hubble's Advanced Camera for Surveys,…
The Anglo-Australian Telescope in New South Wales has been watching how lazy giant galaxies gain size - and it isn't…
In a finding that could turn supermassive black hole formation theories upside-down, astronomers have spotted one of these beasts inside…
This new picture of M54 -- a part of a satellite galaxy to the Milky Way called the Sagittarius Dwarf…
Funny how small particle interactions can have such a big effect on the neighbors of the Milky Way. For a…
Astronomers have spotted, for the first time, a dense galactic core blazing with the light of millions of newborn stars…
An international team of astronomers has obtained the best view yet of two galaxies colliding when the universe was only…
There's a bit of a mystery buried in the heart of the Cigar Galaxy, known more formally as M82 or…
How the heck did all that gas get there? Researchers have discovered an astonishing amount of it bridging galaxies, stretching…
It's well past the Fourth of July, but you can still easily find fireworks in the sky if you look…