But have you ever wondered why thunder can sound different? A crack versus a rumble? Startlingly loud versus calmingly low? Let’s dive in… The basics: what is thunder? Electrical charges that ...

No, there wasn't an earthquake -- but powerful ... noted that some parts along I-80 may have woken overnight to the sound of thunder or hail. "Some of you may have been woken up by hail outside ...

As the name suggests, Rolling Thunder describes the sound of thousands of motorcycles revving up and roaring down a street. But the thunder carries other meanings as well — the vibrations that ...

IN-DEPTH: A lightning bolt’s flash will always be seen before its thunder is heard because light travels faster than sound. Lightning is an electrical discharge. Thunder is the resulting ...

Thunder starts as a shockwave from the explosively expanding lightning channel when a large current causes rapid heating, according to NOAA. In other words, the sound heard from thunder is ...