Want to see some feathers fly? Sit down with a bunch of biker friends and ask their opinion of proper cornering techni ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

Learn how tension and friction interact when an object moves at constant velocity. This video breaks down the force balance, explains why acceleration is zero, and shows how physics principles apply ...