In the midst of a volcanic eruption, lightning can streak across the ash and smoke above it, but what do we think causes ...

A behind-the-scenes look at machining and fabricating a rotary earth clamp from raw material, showing the precision, ...

With severe cold hitting much of the country, some unusual phenomena like "exploding trees" could be on the way. Here's what to know.

With severe cold hitting much of the country, some unusual phenomena like "exploding trees" could be on the way. Here's what to know.