Hawaii's Kilauea volcano keeps erupting with syrupy lava flows, serving as a fiery reminder of nature's destructive power.

Let’s take a look at 10 trails that trace those forces—but remember, some of these magmatic marvels are merely napping. It’s ...

But only some volcanoes seem able to make smoke rings, and only at certain times. Back when Pulvirenti first learned about them in 2013, he found that the scientific literature offered no substantive ...