Ball lightning is a mysterious phenomena that's been seen since the beginning of recorded history, but it's so rare most people put it in the category of folklore or pseudoscience. Trump raises ...

Detecting radiation is a fundamental necessity for national security, but doing so effectively and at a distance is a tall ...

This is the archetypal lightning bolt, one that arcs out of the sky and smites the ground with a great, often flickering flash of light. Lightning is the sudden release of built-up charge stored ...