Gravity, in the literal sense, keeps everyone (and everything) on Earth grounded. It acts as the anchor that prevents objects ...

Every time a coffee mug drops, a satellite orbits or an astronaut floats, we are watching the same phenomenon play out under ...

The European Space Agency (ESA) is planning to launch two incredibly sophisticated gravity wave testing satellites in 2036 -- but they're a long, long way out. So before launching the Laser ...