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

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

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

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

Two decades later, von Laue gifted the items to Margarete Hommrich, an Einstein admirer from Braunschweig. Her family kept ...

Einstein’s uncle Jakob was an inventor in Munich. He produced patents for arc lamps, electric meters, and dynamos in the late ...

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

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. Space is big, and ...

The discovery of HerS-3, an unusual Einstein Cross galaxy, opens new avenues for studying dark matter and the early Universe.

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 ...

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