How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

The uncertainty inherent to quantum mechanics has long left physicists wondering whether the observations we make on the ...

In a Physical Review Letters study, the HOLMES collaboration has achieved the most stringent upper bound on the effective ...