It all started with a Big Bang – and now scientists are on a quest to unravel the mystery behind the birth of the universe.

A group of international astronomers have discovered three mysterious, ultra-massive galaxies in the early universe. The ...

The Big Bang theory suggests that the universe began as a hot, dense point, expanding into the cosmos we observe today.

Three ultra-massive galaxies from the early universe, named "red monsters" show star formation happened faster than believed.

Scientists test the famous physicist’s predictions by calculating the distortion of time and space. Why is the expansion of ...