Whether Roderick Jones pointed a gun at the defendant before being fatally shot was a central question for the jury.

Sperm are such great swimmers because of a slender flagellum that ripples like a living whip, trading brute force for ...

So how do rockets move in space? With a little help from Newton's third law and the conservation of momentum, of course.

From spinning hurricanes to shifting ocean currents, the Coriolis effect explains why motion bends across the Earth. Here's how it works.