Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's responsible for the orbits of the planets and their satellites, but there ...

The size and spin of black holes can reveal how and where they were born, and gravitational waves offer a way to decode this information like a cosmic DNA test.

Motion in a plane, projectile motion, uniform circular motion ... The universal law of gravitation. Acceleration due to gravity and its variationwith altitude and depth. Kepler’slaw of planetary ...

It also reflects the determination of those in front of and behind the camera that brought Wicked’s pièce de résistance “Defying Gravity” to life onscreen. The show-stopping battle cry is ...