The cosmos has long captivated humanity with its vastness and mystery. One of the most profound questions that astronomers ...

astronomers have found galaxies so metal-poor and so deeply redshifted that they appear to have formed less than 300 million years after the Big Bang, the beginning of our known universe.

The Hubble tension is one of the most hotly debated discrepancies in all of astronomy. It centers around a number called the Hubble constant, which is functionally the rate at which our universe is ...

We like to believe we have a pretty good idea of how things work in our universe. However, the truth is that there is still ...

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

People talk about the universe starting with a Big Bang, but how could we possibly know anything about an event that happened billions of years ago – before our planet was even formed?

Well, not directly—that’s currently impossible. But we can look at the cosmic microwave background, which is the radiation from the Big Bang that permeates every ‘corner’ of our universe. By studying ...

Dark matter, which makes up 80 percent of all matter in the universe, may have formed in the very short time before the big bang.