A tiny object half a universe away, a scar in a stream of stars circling the Milky Way, and an unusual star cluster in a ...

A model of the cyclic universe suggests that dark matter could be a population of black holes predating the Big Bang.

New research suggests that relic black holes from before the big bang may still shape galaxies today. These black holes could ...

T he universe has a hidden structure, and a University of Virginia professor is mapping it in 3D, using 46 million galaxies ...

What if the mysterious substance holding galaxies together is made of leftovers from a universe that existed before our own? That is the central question posed by physicists Carlo Rovelli and ...

Scientists have introduced a new Big Bounce model that disputes the Big Bang, suggesting the universe may have cycled through earlier cosmic eras.

No theory could explain the slight excess of far-ultraviolet light in the Milky Way until now.

“With so many unanswered questions, gravity remains one of the most fascinating areas of research,” Patricio Gallardo, one of ...

The difference is like a crowd of people who ignore each other versus one where everyone is constantly bumping into one another,’ says scientist ...

Add Yahoo as a preferred source to see more of our stories on Google. Dark matter may have started hot and cooled during reheating after the Big Bang. (CREDIT: NASA / Goddard Space Flight Center ...

Researchers at the University of Portsmouth in the UK have proposed a cosmic bounce ...

Dark matter makes up most of the mass in galaxies and galaxy clusters. In fact, scientists estimate that ordinary matter makes up only about 5% of the universe, while dark matter makes up about 27%.