A big storm is approaching... The sky turns dark, thunder rumbles, and suddenly: a bolt of lightning splits the sky, followed ...

Lightning may look like a sudden burst from the clouds, but its true origin lies in an invisible storm of cosmic rays, X-rays, and high-energy electrons. A breakthrough study led by Penn State ...

The main visual sign you should watch out for is the approach of storm clouds. Lightning is only produced by cumulonimbus clouds, which have a dense and fluffy appearance.

Lightning, which can heat the atmosphere to five times the temperature of the surface of the sun, is the result of a powerful ...

Lightning often strikes more than 3 miles from the center of the thunderstorm, far outside the rain or storm cloud, according to the NWS. "Bolts from blue" can strike 10 to 15 miles away from the ...

The NLDN data showed 376,818 total lightning events, which combines cloud-to-ground lightning strikes and in-cloud flashes. The map below has a dot for each lightning event location.