Big Bang

The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution. It describes the rapid expansion of matter from a state of extremely high density and temperature.

Lead ion and proton: Close encounters of the third kind

10 Nov 2016 | Update - For the public | Harriet Jarlett | For the third time ever the LHC today began colliding beams of protons with lead ions to probe the early universe from which matter emerged

n_TOF plays hide-and-seek with cosmological lithium

14 Oct 2016 | Update - For the public | Stefania Pandolfi | The n_TOF collaboration has added an important piece to the puzzle of the cosmological lithium problem

Heavy ions and quark-gluon plasma

18 Jul 2012 | Physics | CERN physicists collide heavy ions to free quarks - recreating conditions that existed in the universe just after the Big Bang


8 Feb 2012 | Experiment | ALICE detects quark-gluon plasma, a state of matter thought to have formed just after the big bang

The search for antimatter

20 Jan 2012 | Physics | The big bang should have created equal amounts of matter and antimatter. So why is there far more matter than antimatter in the universe?

The early universe

20 Jan 2012 | Physics | All matter in the universe was formed in one explosive event 13.7 billion years ago – the Big Bang

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