Scientists say they can explain dark matter by positing a particle that links to a fifth dimension. While the “warped extra dimension” (WED) is a trademark of a popular physic ...

We largely think of the world in four dimensions — time and the three spatial dimensions. But a fifth dimension might actually solve this longstanding mystery.

Scientists have proposed a new theory suggesting that dark matter, one of the universe’s biggest mysteries, may exist in a hidden fifth dimension. In a ...