Dark Stars: Hypothetical Cradles of Supermassive Black Holes
In the first moments after the Big Bang, the universe may have given rise to objects unlike the familiar stars — dark stars.
How the Inflating Universe Hid Dark Matter in a Cloud of Gluons
It all started with a tiny clump that grew faster than light could cross it. Inside this inflating bubble, our future Universe, reigned unimaginable heat. But one field, called the inflaton (the engine of inflation), behaved like a conductor: it controlled both the expansion and how other particles behaved.