A new study has suggested that the multiverse may be a lot more hospitable to life than previously thought.
Stephen Hawking's final theory of the cosmos was completed shortly before he passed away in March.
A 'cold spot' that has puzzled scientists for years could be the point where two universes collided.
Scientists have put forward a new model in support of the idea that time can run in both directions.
Scientists have observed a glow in space that could have come from another universe colliding with ours.
Some universes might provide conditions more favorable to the development of life than our own.