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Fiery black hole debate creates cosmological Wild West

5 February 2014

Bids to solve the black hole firewall paradox are producing a free-for-all in theoretical physics – cue time reversal, walls of ice and bouncing stars

Distant light hints at size of space-time grains

6 July 2011

The light from a spectacular gamma-ray burst has been used to push the boundaries in a search for a theory of everything

Big bounce cosmos makes inflation a sure thing

13 October 2010

If our universe is a recycled version of an earlier cosmos, it could solve one of the great cosmic puzzles

Did pre-big bang universe leave its mark on the sky?

9 April 2008

According to a model based on "loop quantum gravity" theory, a parent universe that existed before ours may have left an imprint

Black holes may harbour their own universes

31 October 2007

Matter swallowed by a black hole may fall into an apparently infinite universe, a new study suggests

Carlo Rovelli forecasts the future

16 November 2006

Between now and 2056 a coherent way of thinking about the world will emerge, compatible with new discoveries such as quantum theory and relativity

Science: Gravity makes waves in Colorado

28 July 1989