When we go backwards in time through the history of the cosmos, the distances and volumes shrink, while the average energy ...

The Big Bang theory suggests that the universe began as a hot, dense point, expanding into the cosmos we observe today.

How did supermassive black holes get big so fast? Astrophysicist Souphie Koudmani tells us how she and her colleagues are finding out.

Our most powerful telescopes have revealed that the cosmos is surprisingly simple on the largest visible scales. Likewise, ...

If true, this theory could explain how all of the matter in our universe was created.

"This discovery presents a challenge: our cosmic surveys may not yet be large enough to map the full extent of these immense basins," study co-author Ehsan Kourkchi, an astronomer at the ...

Black holes, with their event horizons trapping anything that enters, and accretion disks glowing from accumulated matter, ...

Euclid this week delivered the first piece of a cosmic map — containing about 100 million stars and galaxies — that will take six years to create. These stunning 3D observations may help ...

Which came first, the chicken or the egg? The Singularity South Africa Summit last month might have helped us solve that eternal conundrum. What could be more creative than that discovery?

Meanwhile, cosmic inflation is a scenario proposed ... space shrinks away to a single point, the "initial singularity." By exploiting this symmetry, one can follow light and particles all the ...