We may not know what dark matter is, but we keep getting whiffs of it. "We are reaching a point where the observational ...

Astronomers announced Wednesday that at last they had captured an image of the unobservable: a black hole, a cosmic abyss so deep and dense that not even light can escape it. For years, and for all ...

"I wouldn't say primordial black holes were ever dismissed as dark matter candidates; they were ignored for a while though." When you purchase through links on our site, we may earn an affiliate ...