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How to destroy a black hole

16 April 2024

A black hole would be tough to destroy, but in the season two premiere of Dead Planets Society our hosts are willing to go to extremes, from faster-than-light bombs to time travel

We may finally know how blazars act as cosmic particle accelerators

23 November 2022

Supermassive black holes that beam powerful jets of matter towards Earth, known as blazars, accelerate particles to extraordinarily high energies – and astronomers have finally figured out how

Quantum experiment suggests there really are ‘alternative facts’

22 February 2019

A complex probe of the foundations of quantum mechanics suggests that the nature of reality depends on who is looking – there are no objective facts we can agree on

Einstein kills Schrödinger's cat: Relativity ruins quantum world

16 June 2015

The same quirk of general relativity that means your head ages faster than your feet may mean we have to go to space to see large-scale quantum mechanics in action

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

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