It sounds like something you'd only see on the Discovery Channel: people pedaling ferociously to create enough energy to power the television, stereo and lights. Stationary bicycles connected to small generators can charge batterie...

The grand myth of environmentalism is that it’s all about saving the Earth. It’s not. The Earth will be just fine. Environmentalism is all about saving ourselves.

Two new research studies have discovered a long sought molecular link between our metabolism and components of the internal clock that drives circadian rhythms, keeping us to a roughly 24-hour schedule.

Super-luminous stellar explosion observed via Caltech's Palomar Observatory, possibly resulting in a quark star Illustration of a supernova explosion.

The "default" version of the new suit will be worn during takeoff and landing of the Orion spaceship, which is due to replace the shuttle by 2015.