Astronomers using the James Webb Space Telescope (JWST) have made a groundbreaking discovery that could validate long-held ...

A radical new model of the universe redefines the first few moments of existence, reducing reliance on theoretical concepts.

The Big Bang theory is the widely accepted explanation of how the universe began, but one question has persisted: What ...

Speculative elements may not be necessary to explain the cosmos. A team of researchers, led by Raúl Jiménez, an ICREA scientist at the University of Barcelona’s Institute of Cosmos Sciences (ICCUB), ...

Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

If true, this could overturn our current model of dark energy and cause "Big Crunch" sooner than previously thought. Dark ...

Forget one Big Bang — try many. A bold new theory pokes holes in the popular origin story, suggesting the universe evolves through a series of lightning-fast bursts, rewriting what we know about ...

A new study introduces a radical change in the understanding of the first moments after the Big ... If the model is confirmed, it could mark a new chapter in the way we think about the birth of the ...

Images of the cosmos, such as the James Webb Space Telescope’s deep space snapshot, make space look chock-full of stuff. In the grand scheme of things, it is, but all those stars, galaxies, planets, ...

Pioneering work Illustration of how a proton collision (left) at the Large Hadron Collider creates a beauty baryon (centre) ...

A new theory promises to simplify our approach to the universe's earliest moments, but some cosmologists say further ...

The theorists predict that the beginning of the end will be in about 10 billion years — less than the present age of the ...