A record-breaking gravitational wave signal let scientists "listen" to a distant black hole merger and put Einstein's gravity to its toughest test yet.

Jack Schlossberg, the only grandson of former President John F. Kennedy, addressed rumors of his sexuality and confronted his past as an internet troll after announcing a run for Congress. After years ...

A physicist has proposed a bold experiment that could allow gravitational waves to be manipulated using laser light. By transferring minute amounts of energy between light and gravity, the interaction ...