What is density, and how does it apply to the universe? From dogs and water to stars and galaxies, this video uses humor and ...

Experiments inside a fusion reactor in China have demonstrated a new way to circumvent one of the caps on the density of the ...

Reproducing on Earth the reactions that power the Sun to create an abundant and clean energy source has been a long-standing ...

In a new milestone for fusion energy research, physicists in China say they have exceeded the plasma-density limit.

Researchers using China’s “artificial sun” fusion reactor have broken through a long-standing density barrier in fusion ...