Deep in the core of most galaxies, hidden by spinning clouds of gas and dust, black holes spin like cosmic engines. These giants — some are billions of times heavier than our sun — can shoot out ...

The Sun’s magnetic field is invisible to our eyes, but it quietly shapes everything from the shimmering auroras over the ...

A new initiative is emerging at the Princeton Plasma Physics Laboratory (PPPL), the U.S. Department of Energy national laboratory managed by Princeton University. Under the direction of principal ...

Nanomotors are tiny machines that can convert various forms of energy into motion at the nanoscale. These miniaturized engines, typically ranging in size from a few nanometers to several micrometers, ...