Given how unfathomably large the universe is, it is perhaps understandable that we haven’t yet cracked all its secrets. But there are actually some pretty basic features, ones we used to think we ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

Just how large is the universe? The short answer is 93 billion light-years — at least. That 93 billion light-year number refers to what astronomers call the observable universe, and it extends about ...

Ian G. McCarthy receives funding from UKRI's Science and Technology Facilities Council (STFC). He works for Liverpool John Moores University. Given how unfathomably large the universe is, it is ...

The Big Bang may not have been alone. The appearance of all the particles and radiation in the universe may have been joined by another Big Bang that flooded our universe with dark matter particles.

A new paper suggests that our universe may have begun with two big bangs. Scientists proposed the idea after struggling for decades to explain both the mysterious beginning of the universe as well as ...

Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Many textbooks and science educators have attempted to describe the ...

When we think of the Big Bang, we think loud, hot, and bright. But was it followed by a colder, darker shadow? Five-sixths of the universe seems to be made up of a mysterious substance called “dark ...