A supermassive black hole caused an explosion large enough to swallow several galaxies, astronomers say.

Scientists estimate the age of the universe by using the movement of stars to measure how fast it is expanding. If the universe is expanding faster, that means it got to its current size more quickly, and therefore must be relatively younger.

Seungri, a member of K-pop group Big Bang, is also accused in the scandal.

The 'proto-supercluster' of galaxies nicknamed Hyperion has a mass 1 million billion times greater than the sun and is so distant that it is viewed from earth as it looked billions of years ago.

Thirty-six kilometres above the earth, a telescope created in Canada is slowly circling Antarctica, hoping to find information that could unlock secrets of the galaxy.

Pope Francis has made some of the most important policy speeches of his pontificate in recent days and even acknowledged the Big Bang theory.