The big thinkers at Aperture explain relativity and how it warps the fabric of spacetime. Tom Cruise visited 'Star Wars: ...

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

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

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

Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...