Einstein's theory of gravity predicts that a rotating body, such as Earth, partially drags inertial frames along with its rotation. Scientists suggest a novel approach to measuring what is referred to ...

Physics is sometimes closer to philosophy when it comes to understanding the universe. Physicists are now attempting to elucidate whether the universe has a resting frame. Physics is sometimes closer ...

We've been through the first few episodes of our crash course on general relativity, and came out alive! But it's officially "time" for CURVED spacetime. Join Gabe on this week’s episode of PBS Space ...