You've probably seen lightning flash across the sky, but do you know why and how it happens? This simple science activity ...

Lightning and thunder might be stunning phenomena that fill the sky with light and sound, but they’re also products of ...

We usually see lightning before we hear thunder. That’s because light and sound travel at different speeds. The lightning flash travels very fast, but the sound of thunder travels much more slowly.

As pockets of snow work through Western Washington, a few of them have been vigorous enough to produce something very unusual ...

Santa Cruz Mountains, Santa Clara Valley Including San Jose, Northern Salinas Valley/Hollister Valley and Carmel Valley, ...