In a small lab at Penn State University, lightning may be happening on a scale smaller than a deck of cards. Victor Pasko, a professor of electrical engineering, and his team have shown that under certain conditions,

Scientists have known for decades how lightning travels once it forms, but the exact trigger inside a thundercloud stayed uncertain. A new study now offers the clearest explanation yet for how lightning truly begins.

Thunderstorm clouds have a lot of air moving around inside them, including updrafts and downdrafts, which can be strong. Updrafts transport tiny drops of rain and ice crystals to the top of the thundercloud, which can be between 35,000 and 70,000 feet ...

NASA’s Juno spacecraft reveals Jupiter’s superstorms generate intense lightning, forming a powerful and complex electrical weather system.

Add Yahoo as a preferred source to see more of our stories on Google. When Apollo 12, NASA's second lunar landing mission, launched from Kennedy Space Center, the space vehicle was struck by lightning— twice. On Nov. 14, 1969, Apollo 12 prepared to bring ...

The Tampa Bay Lightning are under no false illusions after losing the opening clash of their Eastern Conference first-round series.