The speed of light, sometimes abbreviated as c, is a universal maximum posted speed that causality will enforce. It's the greatest speed at which any known substance or object can travel. Even light ...

Small, compact galaxies seen in the early universe have puzzled astronomers – finding these unusual objects closer to home ...

Lying in one of the most ancient regions of the observable universe, they found, were hundreds of galaxies that have come to be known as the " Little Red Dots." These aren't ordinary galaxies.

The observable universe is just a fraction of the vast cosmos, limited by the speed of light and the age of the universe. But what lies beyond this visible horizon? In this video, we delve into ...

In total, they make up 13% of the universe's volume. This image shows the five newly discovered superstructures. Quipu (red) is the largest structure found in the local universe.

Half of Universe's Normal Matter Was 'Missing'; Astronomers Have Found It Published Apr 15, 2025 at 5:45 PM EDT Updated Apr 15, 2025 at 10:39 PM EDT By Ian Randall ...

A theory known as non-singular matter bouncing cosmology suggests that the universe “bounces” between a hot big bang era and the kind of universe we see today.

We may never know what lies beyond the boundaries of the observable universe, but the fabric of the cosmos can tell us whether the universe is infinite or not By Leah Crane 25 June 2024 ...

James Webb telescope unveils largest-ever map of the universe The universe is 13.8 billion years old, but the observable universe stretches more than 13.8 light-years in every direction.

This led to an estimate that the observable universe contained about 100 billion galaxies. The new research shows that this estimate is at least 10 times too low.

There are so many stars in the universe—hundreds of billions of them in our galaxy alone, which is, in turn, one of some 125 billion galaxies in the observable universe—that it would be ...