In an effort to bring together the domains of gravity and quantum theory, Albert Einstein and Nathan Rosen proposed a ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

China has unveiled a powerful "hypergravity machine" that can generate forces almost two thousand times stronger than Earth's ...

The original version of this story appeared in Quanta Magazine. At the beginning of time and the center of every black hole lies a point of infinite density called a singularity. To explore these ...

NASA has stepped in and debunked a conspiracy theory that suggests the Earth will lose gravity in August with the space ...

Two blind spots torture physicists: the birth of the universe and the center of a black hole. The former may feel like a moment in time and the latter a point in space, but in both cases the normally ...

Quantum gravity challenges the classical notion of spacetime by positing that the smooth, continuous fabric described by general relativity may arise from more fundamental, non-spatiotemporal entities ...

ESA exercise machine called European Enhanced Exploration Exercise Device (E4D) helps astronauts stay healthy during space ...