In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.
In a groundbreaking cosmic test, researchers have discovered that dark matter behaves more conventionally than previously thought during galaxy interactions. This finding challenges earlier ...
It is the elephant in the room for dark-matter research: a claimed detection that is hard to believe, impossible to confirm and surprisingly difficult to explain away. Now, four instruments that will ...