The accepted theory that the universe began evolving some 13.7 billion years ago from an infinitely dense and hot substance that has been expanding since the first extremely small fraction of a second ...

The elusive Higgs particle has the power to undo physics as we know it. The fact that it hasn't could have big implications about the nature of the universe. When you purchase through links on our ...

Lucien Heurtier works for King's College London. Lucien Heurtier's work is supported in part by the U.K. Science and Technology Facilities Council (STFC) under GrantST/X000753/1 Although our universe ...

Some physicists think there is a unit of matter more fundamental than what has been experimentally confirmed to date. They think that everything in the universe is made of tiny vibrating strands of ...

The nature of dark matter is largely unknown, but it is thought to have mass, which influences particle interactions in the universe through gravity. Dark matter may not interact much with visible ...

Tachyons might sound like creatures ripped out of a George R. R. Martin novel, but the reality is that they refer to as-yet-non-existent particles not only capable of travelling faster than the speed ...

An artistic illustration of the mechanism proposed by Professor Stefano Profumo where quantum effects near the rapidly expanding cosmic horizon after the Big Bang gravitationally generate dark matter ...