Gravity, in the literal sense, keeps everyone (and everything) on Earth grounded. It acts as the anchor that prevents objects from floating skyward. For humans, it’s a leash that stops us from ...

You may have heard people say that aboard the International Space Station (ISS) there's "zero gravity," but in fact, gravity is still very much present. The station orbits Earth at an altitude of ...

The energy applied by some of the world’s great minds to understand quantum gravity is something to celebrate, but the lack of any real progress in over 100 years implies a gap in the thought ...