Global Positioning System (GPS) satellites continuously beam down ultra-precise timestamps, each message essentially saying, “It was 12:00:00.000001 when I sent this.” ...

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

Evolving dark matter may explain cosmic acceleration. Observations support a mixed model. For years, a stubborn puzzle has sat at the center of the standard cosmological model. The evidence clearly ...

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for ...

Astronomers have captured the first radio image of two supermassive black holes orbiting each other within the quasar OJ287, located 5 billion light-years away. This groundbreaking visual confirmation ...

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

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

Three scientists who unravelled some of the deep mysteries of black holes, the awe-inspiring pockets of the universe where space and time cease to exist, have won the 2020 Nobel Prize in Physics.

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

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

In the hunt for extraterrestrial life, we usually look for planets orbiting sun-like stars and icy moons. But there is ...

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