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

Gravity is supposed to be the most familiar force in nature, yet at the deepest level it remains the least understood. A bold ...

COLUMBIA, Mo. – Scientists have attempted to disprove Albert Einstein’s theory of general relativity for the better part of a century. After testing and confirming Einstein’s prediction in 2002 that ...

What goes up -- A natural tendency -- Gravity falters -- And yet it moves -- Action at a distance and other gravitational mysteries -- Warping the universe -- Einstein's masterpiece -- One of four -- ...