When an object moves extremely fast—close to the speed of light—certain basic assumptions that we take for granted no longer ...

Fast-moving objects don’t always look the way you’d expect. When something travels near the speed of light, strange things ...

Quantum ideas describe particles and fields in tiny packages, but general relativity paints gravity as smooth curves in space ...

A fourth paper introduced special ... 1919—that first year of fame—is probably impossible; an essay contest sponsored by Scientific American for the best explanation of relativity in ...

This postulates that the particle – including the hidden ... allowing superliminal exchange of information – therefore without violating the special theory of relativity. However, in 2012 researchers ...

Machine learning helped show how harnessing the weird effects of Einstein’s special relativity could enable a new kind of ...

U.S. special envoy Steve Witkoff said Tuesday that he believes Russian President Vladimir Putin sees an opportunity for the “first time in decades” for a U.S.-Russia relationship recalibration.

Don’t believe us? Well, he says so in the first trailer for his new stand-up special “The Second Best Night of Your Life,” premiering April 26 on HBO and Max. “My mom is really hot ...

Pope Francis was the first non-European pope in more than a thousand years. In Mexico, he was beloved for being Latino and also, as NPR's Eyder Peralta reports, for a special encounter with the ...