From the fall of an apple to the glow of the farthest known star, gravity quietly choreographs almost everything that happens ...
Legend has it that Isaac Newton had the moment of inspiration that would lead to his theory of gravity when, on a warm ...
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 -- ...