Physicists have long treated space and time as the stage on which quantum particles perform, not as actors in the drama ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

A mathematical test for the nature of space-time – the fabric of physical reality – may be the first step towards novel computer-like devices that process information using gravity. Eleftherios-Ermis ...

Black holes are not cosmic vacuum cleaners. They are among the universe’s most extreme objects - and come in different sizes.