Physicists know that their elegant theoretical description of forces and particles – the Standard Model – must be incomplete, ...

Two independent lines of evidence from the world’s most powerful particle experiments are converging on the same uncomfortable conclusion: something is producing signals that the Standard Model of ...

In the quest to unravel the mysteries of the universe, physicists are revisiting a 150-year-old theory that could illuminate why matter prevails over antimatter. This knot hypothesis, originally ...

According to our current understanding of the universe, equal amounts of matter and antimatter should have been produced in the Big Bang, then both annihilated. However, the universe is dominated by ...