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 ...

Quantum mechanics and general relativity are the two pinnacles of 20th-century physics. In their respective fields, ...

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 ...

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 ...

The search for the universe’s center starts with a simple intuition: if everything exploded outward in the Big Bang, there ...

This story is part of our Cosmic Perspective series, in which we confront the staggering vastness of the cosmos and our place in it. Read the rest of the series here. In a sense, we are at the centre ...

Controversial research suggests the Big Bang may be a myth due to its reliance on the Doppler effect theory. This idea says the universe is neither expanding, nor contracting; instead it is steady, ...

Some of the earliest galaxies found with JWST are also the brightest. That's a problem for our ideas about the universe. When you purchase through links on our site, we may earn an affiliate ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. Everything on Earth, in our solar system, our galaxy, and beyond is contained within ...

Sandro Tacchella does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

In the blink of an eye after the Big Bang, the universe could have birthed strange new stars and black holes.