Spacetime isn’t something that exists; it’s a model for describing how events happen. Treating events as objects creates philosophical confusion and fuels misconceptions, such as time-travel paradoxes ...

In this video, we explore Albert Einstein's theory of general relativity, focusing on his insights into gravity and ...

The ISS has “come into its own as a very sophisticated scientific laboratory,” says retired NASA astronaut Scott Kelly, who ...

Abstract: The application of digital metasurface (DM) in direction finding (DF) has been widely studied. However, numerous nonideal properties of practical DM are difficult to be modeled and decrease ...

The theoretical physicist and best-selling author finds inspiration in politics and philosophy for rethinking space and time.

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

An international team of researchers led by the Leibniz Institute for Astrophysics Potsdam (AIP) has shed light on a ...

Researchers suggest gravitational waves, not cosmic inflation, may have driven the universe’s formation. This model links general relativity and quantum mechanics, offering a simpler, testable explana ...

Following the splashdown of SpaceX Starship's 11th flight test, SpaceX announced the V3 phase of its Starlink program, now with vastly larger, more powerful satellites. V3 will be offering gigabit ...

Stellato-Dudek aims to become oldest female Olympic figure-skating champion Canadians are first pair to include backflip in program Stellato-Dudek plans to continue skating beyond this season ...

Scientists have taken one more step down the very long road to time travel. A new paper combines the Alcubierre “warp” drive with the idea of “controlled closed timelike curves.” Though far out, ...