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

The universe might have had a "secret life" before the Big Bang, a recent study has proposed ... In an email, he told Live Science. "Weighing more or less the mass of an asteroid, they could ...

Called Olbers’ paradox, the seemingly simple mystery of the sky’s darkness is something that stumped astronomers for ...

A shockwave caused by the galaxy NGC 7318b slamming into four other galaxies is akin to a "sonic boom from a jet fighter." ...

In an underground lab in a mountainous region of Italy that contains the coldest temperatures known to exist in the universe, ...

The Epoch of Reionization — the universe’s last major transition — may have happened earlier than previously thought.

In the early Universe, long before they should have had time to grow, astronomers have found what they're calling 'red ...

Edwin Hubble, a renowned astronomer, revolutionized our understanding of the universe. He proved the existence of galaxies ...

Three ultramassive galaxies found by the James Webb Space Telescope have astronomers reconsidering how galaxies grew so ...

Theoretical physicist Abhay Ashtekar is famous for having worked on an idea for how space-time itself is generated. So we ...

Our knowledge of physics — gained through astrophysical experiments, or in laboratories via machines such as particle ...

Astronomers have identified three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after the Big Bang. This surprising discovery was made ...