Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The galaxy Messier 33, ...

A cornerstone component of our model of the universe is the existence of dark matter. We have not yet proven that this hypothetical substance exists, but observations and models have made a pretty ...

Six thousand eight hundred feet below the floor of an active nickel mine in northern Ontario, something has gone extremely ...

Despite making up more than a quarter of the universe, dark matter has remained stubbornly hidden from scientists' telescopes for decades. But researchers from Johns Hopkins University now believe ...

NASA's Hubble Space Telescope captures the magnificent starry population of the Coma Cluster of galaxies, one of the densest known galaxy collections in the universe — and where the effect of dark ...