The flow of time isn’t as consistent as we might think – gravity slows it down, so clocks on the surface of Earth tick slower than those in space. Now researchers have measured time passing at ...

Gravity and motion make time pass faster on Mars than Earth, reshaping navigation, communication, and future crewed missions.

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. The Universe, as we know it, has a fundamental flaw staring us right in ...

Let's talk about tiptoeing right next to a black hole. Not that you could do that, because the nearest one we know of, near the center of our galaxy, is impossible to get to. Even if you could travel ...

Lots of people, including Einstein (see above), talk about gravity, the restraining force which makes people walk on floors instead of floating in midair. What worries Roger Babson, 74, economic ...