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

A compilation of various images from the James Webb Space Telescope shows the effects of gravitational lensing caused by dark ...

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 ...

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

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

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

Astronomers spotted the celestial standoff in the heart of the galaxy OJ287, around five billion light-years from Earth.

Astronomers have captured the first radio image of two supermassive black holes orbiting each other within the quasar OJ287, ...

A new model suggests the universe may stop expanding and collapse in a reverse Big Bang, ending in a Big Crunch about 20 ...