For centuries, we believed gravity was a force pulling objects downward. Drop an apple, and gravity does the rest,simple, ...

COVER STORYFor centuries, the entangling concept of time has entranced humans. Time has remained constrained to a precept ...

In 1915, Einstein went further still, realizing that distortions to space and time could be yet more severe: Massive objects cause the fabric of spacetime to sag, somewhat like a bowling ball ...

It sounds like science fiction: a spacecraft, no heavier than a paperclip, propelled by a laser beam and hurtling through ...

There are new hints that the fabric of space-time may be made of "memory cells" that record the whole history of the universe. If true, it could explain the nature of dark matter and much more ...

A team of astronomers used a cluster of galaxies like a magnifying glass to discover two never-before-seen distant galaxies. Pandora's Cluster warps the fabric of space-time, creating a visual effect ...

Tiny ripples travelling through the fabric of space-time were picked up as they passed through the Earth, which had originated from the merger of a pair of black holes, located around 1.4 billion ...

Massive ripples in the very fabric of space and time wash over Earth constantly, although you'd never notice. An astrophysicist is trying a new search for these gravitational waves.