A human hand has the power to split wooden planks and demolish concrete blocks. A trio of physicists investigated why this feat doesn't shatter our bones.

The outer layers of the sun’s atmosphere are a blistering million degrees hotter than its surface. The hidden culprit? Magnetic activity.

Supermassive black holes emit jets of white-hot plasma that stretch thousands of light-years across the cosmos. For the first time, researchers have identified what’s creating these jets.