Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

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

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

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

Global Positioning System (GPS) satellites continuously beam down ultra-precise timestamps, each message essentially saying, ...

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

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

Researcher whose contribution to science was described as ‘close to Einstein’ specialised in the study of subatomic particles ...

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

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

Researchers suggest gravitational waves, not cosmic inflation, may have driven the universe’s formation. This model links ...

For more than a century, physics has been built on two great theories. Einstein's general relativity explains gravity as the bending of space and time. Quantum mechanics governs the world of particles ...