Researchers shed new light on how the ancient Greek Antikythera Mechanism modeled solar time with remarkable accuracy.

Massive ripples in the very fabric of space and time wash over Earth constantly, although you'd never notice. An astrophysicist is trying a new search for these gravitational waves.

Picture this: a small audience is quietly ushered into a darkened room. They gasp in awe, as a brilliant night sky shines ...