Big Bang

Have we solved the Hubble constant problem? An invisible 'mirror world' of particles that interacts with the universe solely through gravity could hold the key to solving this crucial cosmological problem, according to a new study.

Have we solved the Hubble constant problem? An invisible 'mirror world' of particles that interacts with the universe solely through gravity could hold the key to solving this crucial cosmological problem, according to a new study.

One of the problems with physics is that its two great theories, general relativity and quantum theory, get along like a cat and a dog. Although we have been searching for a quantum theory of gravity for more than half a century, the truth is that the results are quite disappointing.

It was born 13,800 million years ago and it still has its rope for a while. It may or may not have an end, but everything we see today will eventually disappear.

The Big Bang was the starting signal for the universe, and we know this from several independent observations that all point in the same direction.

This computer simulation recreates the entire evolution of the cosmos from the Big Bang to the present day.

The mission of the James Webb telescope will be to find the first galaxies that formed in the early universe and to see stars forming planetary systems.

A new theory proposes that the universe would have existed forever, destroying the singularity we call the Big Bang.