Einstein’s theory of gravity may behave slightly differently across distances of billions of light-years, with gravity ...

While tracking whale calls near Massachusetts, oceanographer John Spiesberger noticed that the software he was using was ...

The Big Bang is often described as the moment everything began — a point of infinite density where the laws of physics broke down. But what if that picture is incomplete? A new study proposes a ...

Einstein’s famous tenet of special relativity — that time slows down on a moving clock — has been verified 10 times more precisely than ever before. The result comes from physicists in Germany and ...

THE quantum realm has always seemed worlds apart from general relativity, Einstein’s theory of gravity. One rules at the atomic scale and smaller; the other reigns supreme across the cosmos. This is ...

Every satellite in the Global Positioning System carries an atomic clock, and every one of those clocks is deliberately ...