Scientists have long embraced the fact that forces beyond sight govern the universe. Dark matter, they think, holds galaxies together with extra gravity, and dark energy drives the universe’s ...

The first stars in the universe formed out of pristine hydrogen and helium clouds, in the first few hundred million years ...

Dark matter, the mysterious substance that makes up roughly 80 percent of all the matter in the universe, may have been forged before our cosmos was even born. Scientists have long theorized as to ...

The secrets of black holes and dark matter could lie before the Big Bang, a new study of "bouncing" cosmology hints. When you purchase through links on our site, we may earn an affiliate commission.