Space and time seem like two completely different ideas, but Einstein showed they are interlinked in what is known as ...

But what if Einstein’s theory of relativity offers a different perspective? What if our inner world, like space-time, is ...

What if the universe remembers? A bold new framework proposes that spacetime acts as a quantum memory. For over a hundred ...

Einstein’s Theory of General Relativity, an immensely important update to Newton's Law of Universal Gravitation, is currently our best approximation of how the universe ticks. But there are some holes ...

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

For over 100 years, two theories have shaped our understanding of the universe: quantum mechanics and Einstein’s general relativity. One explains the tiny world of particles; the other describes ...

The gravitational lensing that causes this rare phenomenon cannot be explained solely by looking at observable ...

Einstein proposed and published his theories of special and general relativity in 1905 and 1915. The concepts are monumental ...

Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration of energy that flows throughout space and time.

Astronomers detected in unprecedented detail a collision between two black holes. Their observations confirm predictions made ...