For millions of years following the Big Bang, after the universe’s roiling soup of particles had cooled, the cosmos was a ...

Let's set the record straight: NASA has not found a parallel universe. The claims making the rounds on social media are not ...

The James Webb Space Telescope has caught a napping monster black hole in the early universe. The cosmic giant is slumbering ...

Galaxies in the early universe tend to be clumpy, but the new JWST discovery of a "grand design" spiral galaxy just 1.5 ...

Just how long has the universe been around? Scientists estimate the universe is 13.8 billion years old, with an uncertainty ...

Using the gravitational lensing effect of massive galaxy clusters, JWST detected faint, early galaxies that emitted four ...

The Big Bang should be thought of as a "point" in time but not happening at a particular place. Astronomers will often say ...

Astronomers have discovered a massive dormant black hole from the early universe, just 800 million years after the Big Bang, ...

The Hubble constant is still a mystery because measurements from telescopes in today’s universe give higher numbers than ...

A flat geometry is a Euclidean geometry, named after the ancient Greek mathematician ... effects that took place during the Big Bang and shaped how the universe subsequently unfolded.

The Hubble tension is one of the most hotly debated discrepancies in all of astronomy. It centers around a number called the ...

Learn how a black hole from the early universe has fallen asleep after eating too much matter, changing the way researchers ...