Most explanations rely on "dark energy" to explain the Universe's accelerating expansion rate, but a new study takes a ...

Confining and rotating extremely cold atoms or molecules within atomic “Ferris wheels” made from laser light could test ...

Einstein was a great thinker who made plenty of mistakes—errors that sometimes led to more meaningful discoveries in physics, ...

The model questions the popular inflation theory, which most experts believe was facilitated after the universe's birth. The ...

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

Albert Einstein left his first violin behind as he escaped Nazi Germany. Last week, it became the most expensive instrument ...

Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

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

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

Deep in the core of most galaxies, hidden by spinning clouds of gas and dust, black holes spin like cosmic engines. These ...

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

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