Gravity may seem constant, but it actually varies across the planet—and one of the strangest places is Antarctica, where gravity is slightly weaker than expected. Scientists have traced this “gravity ...

Researchers have developed a new quantum theory of gravity which describes gravity in a way that's compatible with the Standard Model of particle physics, opening the door to an improved understanding ...

Life’s too short for small talk. Rachel gets right to the questions that matter most. Once a week, famous guests pull questions from a deck of cards and open up about the kind of stuff we all think ...