A comprehensive new study combines decades of research to reveal that we're missing an essential component in our understanding of how the universe works.

A.I. has always been compared to human intelligence, but that may not be the right way to think about it. What it does well ...

What physical processes govern the movement of microscopic structures capable of interacting with their environment? The ...

Planets, like those in our solar system, form in a bottom-up process where small bits of rock and ice clump together and grow larger over time. But the heftier the planet, the harder it is to explain ...