Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...

A new collage from the James Webb Space Telescope reveals eight dazzling examples of gravitational lensing.

As scientists get closer to putting humans on Mars, the need to understand why clocks tick faster on the red planet is more ...

The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...

Some habitable worlds orbiting dead stars could be kept alive for aeons thanks to a quirk of Einstein’s theory of gravity ...

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

SXS—Simulating eXtreme Spacetimes—is an ongoing scientific collaboration that has been generating simulations of dramatic ...

A fresh black hole merger detection has offered the clearest evidence yet for Einstein’s relativity and Hawking’s predictions. Scientists tracked the complete cosmic collision, confirming that black ...

Gravitational waves are energy-carrying waves produced by the acceleration or disturbance of massive objects. These waves, ...

One of the world's most famous scientist, Albert Einstein, loved playing the violin. In fact, he started learning when he was ...