The largest 3D map of the universe, created based on data from the Dark Energy Spectroscopic Instrument, shows 47 million ...

A new study explains how dense pockets of matter could have survived over an age-old cycle of multiple ‘Big Bangs.’ ...

Astronomers say they have produced one of the most precise measurements of the Hubble constant. Yet plenty of questions ...

Astronomers have long been puzzled by the discovery of extremely large black holes in the early universe. Some of these black ...

In a study published this week in Physical Review Letters, an international team of astronomers tested cosmic observations ...

Generally speaking, black holes are regions of spacetime where matter is compressed into a tiny space. Dark matter, meanwhile ...

Cyclic cosmology, or the big bounce, is the idea that the universe will eventually crunch back together and then go through ...

We all know that everything kicked off when the Big Bang exploded our universe into reality, right? Well, not necessarily. A ...

Gravity has been tested extremely well inside the solar system. On cosmic scales, direct tests are harder. This study pushes ...

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

Today scientists rely on two methods. The first is late-universe observation (or observation of the universe as we see it ...

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 ...