As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

Here’s a mind-blowing thought: what if our entire universe is actually inside a black hole? Some scientists think it’s ...

The fate of the cosmos may be a bit different than previously expected. For years, scientists have talked about how the universe is always expanding — constantly moving outward, never stopping.

Science advances through data that don't fit our current understanding. At least that was Thomas Kuhn's theory in his famous ...

The team explores one of the greatest discoveries of modern astronomy - that our universe is expanding - and the new questions it raises about how the cosmos works. The team explores one of the ...

The universe exists because matter and antimatter are not good friends. Is there a scientific reason why the universe exists?

If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number ...

A new AI-powered method is changing how scientists measure the universe. Developed by researchers at the Flatiron Institute and their partners, this technique offers a far more accurate way to ...

The history of the universe always feels hard to fathom. After the Big Bang, it is believed that the universe was filled with hot gas and light. Eventually, matter started to cool down, and the first ...

Seconds after the Big Bang, the newborn universe gave rise to the first elements—ionized forms of hydrogen and helium. These particles combined, forging helium hydride—the first ever molecule. It ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...