Dark Matter
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…
17 years ago
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…
17 years ago
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…
18 years ago
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…
20 years ago
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…
20 years ago