A faint cosmic spin – one rotation per 500 billion years – could resolve the stubborn Hubble tension by tweaking standard ...

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding. In ...

About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say ...

In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...