Whether it’s the weekend or you have a window for an evening hike — an option for many of us between spring and fall equinoxes — a portion of Black Rock Trail makes for a terrific destination, whether ...

Nature rarely does straight lines. If you look at a forest, a rock, or a coastline, you see all sorts of shapes and chaos.

Molten lava from a 2017 eruption of Kilauea flows into the ocean off Hawaii. Even once it cools, the lava “deltas” formed by eruptions can be dangerous, Hawaii officials say. Photo by Marc Szeglat via ...

Learn how a young volcano on Mars stayed active for nine million years and what its changing lava reveals about Mars’ interior.

Volcano tourism isn’t new. After all, getting closer to a violent volcanic eruption didn’t work out too well at Pompeii in 79 A.D. for Pliny the Elder. He sailed across the bay to rescue friends but ...