The biggest open problem in the foundations of physics is that Einstein’s theory of gravity, General Relativity, does not ...

In quantum mechanics, particles do not behave like everyday objects. Instead of existing in one clearly defined state, they ...

One of the best-performing models in cosmology is also one with the least physical rationale behind it. Columnist Leah Crane ...

If the universe were a soup, it would be more of a chunky minestrone than a silky-smooth tomato bisque. Sprinkled with matter that clumps together due to the insatiable pull of gravity, the universe ...