Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

The Science Simulating matter in extreme conditions is critical to answering fundamental questions about nature.

A long-elusive, hypothetical subatomic particle called the axion can be simulated and potentially detected in a type of thin material.

The Case of the Missing Matter "We robustly show that the gas is much more extended than the dark matter" relative to ...

Quantum effects like superposition and entanglement have long been seen in single particles, but physicists are on a quest to find out just how big an object can be before it loses its quantumness ...