Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The particles that are in ...

Physicists have solved a longstanding mystery around the process that creates volcanic lightning: when similar particles rub together, why do some become positively charged while others become ...

Earth's magnetic field is like a powerful trap. It lures electrically charged particles in space, near our planet, and snares them in an ...