THE central interest of Huygens' life and work may be said to be his relations with Galilei and Descartes on one hand, and with Newton and the English men of science on the other. Descartes and ...

The Cassini spacecraft spent 20 years exploring Saturn, revealing incredible details about its rings, moons, and atmosphere.

The corpuscular theory, which, at the time, was widely believed to describe correctly the propagation of light, could not explain diffraction. Huygens, the first proponent of the wave theory, seems to ...

Ride along on the outside of Huygens as it parachutes through Titan's atmosphere at nearly 200 miles per hour. Sound is basically pressure waves that are moving through some medium. So the sound ...