A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have formed ...

Astronomers have discovered extraordinarily powerful X-ray jets blasting from two supermassive black holes that are so ancient that the jets shine in the afterglow of the Big Bang.

Could the Universe have been born inside a black hole? This question, raised by a team of scientists, challenges the Big Bang theory. Their proposal suggests our Universe might have formed within ...

Exceptionally powerful X-ray jets have been detected emanating from two supermassive black holes. These cosmic structures date back to a time when the Universe was still young. These discoveries, ...

The secrets of black holes and dark matter could lie before the Big Bang, a new study of "bouncing" cosmology hints.

The Big Bang theory has been the standard explanation of the universe's origin for decades. But one group now claims everything we think about the birth of the cosmos might be wrong.

The result, backed up by the discovery of the Cosmic Microwave Background (CMB) – thought to be the faint "afterglow" of the first light in the universe – was the Big Bang model.

From the Catholic priest who pioneered it, to how we can (almost) see it, here are 5 fascinating facts about the Big Bang.

Scientists are using secondary signatures from the cosmic microwave background to map the universe’s hidden matter.

CAPE CANAVERAL, Fla. — Scientists have discovered the oldest black hole yet, a cosmic beast formed a mere 470 million years after the Big Bang.

Physicist Arno Penzias, who co-discovered the cosmic microwave background, helping to confirm the Big Bang theory of the universe's beginning, died on Monday at age 90.

Scientists have discovered the oldest black hole yet, formed a mere 470 million years after the Big Bang.