To understand gravity, Einstein had to rethink space and time as a single connected fabric. He showed that mass bends this fabric, guiding how everything moves. NOVA is available to stream on pbs.org ...

Space and time seem like two completely different ideas, but Einstein's theory of relativity shows they are interlinked in a ...

One of the most important reasons we go to space is to know our own planet better. One of the most important reasons we go to space is to know our own planet better. Today I'm going to tell you about ...

Quantum mechanics is our most successful physical theory. Created to account for atomic phenomena, it has a vast range of applications extending well beyond the atomic realm, from predicting the ...

New observations of two black holes merging have confirmed predictions made decades ago by Albert Einstein, Stephen Hawking, ...

The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test ...

Interference from human activity has always been a sticking point in astronomical observations. Radio astronomy is ...

Applications have opened for certain Air Force reservists to join the Space Force under its new one-of-a-kind, part-time service model, but advocates for a Space National Guard have pointed out the ...

President Trump has chosen to locate U.S. Space Command at the Redstone Arsenal in Huntsville, Ala. once again, confirming a decision he made in January 2021, a decision that was later unwound by his ...

The suspect added lights, televisions and a bed to the space, officials said. A man in Oregon was arrested for living in a crawl space of a condominium complex for an "extended period of time," ...

Recent research has sparked a captivating debate among physicists and philosophers alike: could gravity, the fundamental force that governs the universe, be nothing more than an illusion? This ...