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

A team of physicists has captured the Terrell-Penrose effect, showing objects appearing rotated as if moving at 99.9% the ...

For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical ...

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

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

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

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.” ...

Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

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

Einstein’s theory of relativity reshaped our understanding of time space and gravity But deep inside its equations lies a ...

This Star Trek concept ignited a dream that humans could one day travel faster than the speed of light. Now physicists are ...

Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if ...