Dark Matter
Supercluster Ruled By the Pull of Dark Matter
Enough of this small stuff, let's look at the big picture. The really really big picture. In this case, one…
Galaxy Cluster Collision Creates a Dark Matter Core
This strange photograph is a composite image of Abell 520, a massive cluster of galaxies in the process of colliding…
No Stars Shine in This Dark Galaxy
An international team of astronomers have conclusive new evidence that a recently discovered "dark galaxy" is, in fact, an object…
Dark Matter Annihilation at the Centre of the Milky Way
Most of the Universe is a complete and total mystery. And one of these mysteries is dark matter. It's out…
Ring of Dark Matter Discovered Around a Galaxy Cluster
Astronomers using the Hubble Space Telescope have turned up a ghostly ring of dark matter, surrounding the aftermath of a…
How Dark Matter Might Have Snuffed Out the First Stars
What role did dark matter play in the early Universe? Since it makes up the majority of matter, it must…
Some Galaxies Are Made Almost Entirely of Dark Matter
When we think of a galaxy, we think of our own Milky Way or perhaps Andromeda; a majestic spiral containing…
Missing Matter Could Be Clouds of Gas
NASA's Chandra X-Ray Observatory has located two huge clouds of interstellar hot gas that could partially explain where all the…
Dark Matter Halo Puzzles Astronomers
Astronomers using the Chandra X-Ray Observatory have discovered a huge halo of dark matter around an isolated elliptical galaxy; an…