Plasma happens when gas gets heated to a very high temperature and the atoms lose their electrons. Find out more about this state of matter. Science Trek is available to stream on pbs.org and the free ...

A team of scientists has an unusual explanation for how and when dark matter — the invisible, mysterious stuff that’s theorized to make up most of the matter in the universe — was formed. The theory ...

Cold plasma looks like the glow from the "Star Wars" blue light saber but this beam of energy, made of electrons that change polarity at micro-second or nanosecond speeds, could help bones heal faster ...

When I was in elementary school, my teacher told me that matter exists in three possible states: solid, liquid, and gas. She neglected to mention plasma, a special kind of electrified gas that’s a ...