Add Yahoo as a preferred source to see more of our stories on Google. Whether you use a hole in the ground or a fancy gold-plated toilet, on Earth, gravity pulls your waste down and away from you. For ...

While touring the NASA Ames Research Center, Electronic Products got a close-up look at the machine that can transform urine into viable drinking water. This system can recycle all waste water ...

Astronaut Shubhanshu Shukla has used a water blob to explain Earth's shape. Discover the physics of surface tension, rotation, and inertia in this space and physics explainer.