Dark energy could be the key to understanding a cyclical universe that contracts and expands over and over again.
Some physicists believe that the beginning and the end of the universe might in fact be the same thing.
Gravitational waves are helping scientists to unravel the mystery of what happened when the universe began.
The Big Bang may have brought the universe into existence, but will a similar event bring about its demise?
Scientists have spotted an explosion five times greater than anything seen since the birth of the universe.
Known as the 'Methuselah star' due to its extreme age, this nearby stellar body may predate the Big Bang.
Physicists at Harvard University have suggested that the universe could end almost as abruptly as it began.
A table-sized antenna has picked up the fingerprints of the first ever stars to emerge after the Big Bang.
Some of the world's most respected scientists have penned an open later in response to a recent article.
A new study has added weight to the idea that the universe may cycle between expansion and contraction.
New details have emerged about the mysterious crater which opened up in a remote part of Siberia in 2013.
A distant galaxy cluster is home to the most powerful explosion to have occurred since the Big Bang.
Scientists have put forward a new theory suggesting that the universe may have never had a beginning.
One physicist has determined that what we know about black holes and the Big Bang could be wrong.
The extraordinary find is being hailed as one of the most groundbreaking discoveries in cosmology.
Scientists have promised a groundbreaking announcement pertaining to the birth of the universe.
Stephen Hawking spoke about the formation of the cosmos to a packed house at Caltech on Tuesday.
A spiral galaxy dating back to just 3 billion years after the Big Bang has been photographed by Hubble.
At 12 Jacob Barnett seems like any other kid - but there's a lot more to him than meets the eye.
Astronomers shed light on the 'dark ages' of space following the Big Bang.