Beneath a stream of radio noise gathered over the course of a long night of observation, the signal came in quietly.

Energy efficiency in physics is not measured the way most people think about it. Instead of asking how much heat a process ...

Quasicrystals are orderly structures that never repeat. Scientists just showed they can exist in space and time.

A physicist challenges the idea of wormholes as space tunnels, proposing they act as time mirrors linking opposite temporal directions.

This is an example of time dilation, a consequence of the idea that time and space are not absolute - meaning all observers do not always measure these quantities as the same. In everyday life we use ...

The big bang wasn’t the start of everything, but it has been impossible to see what came before. Now a new kind of cosmology is lifting the veil on the beginning of time ...

On January 14, 2025, a pair of black holes with nearly identical masses crashed together roughly 1.2 billion light-years away ...