Researchers analyzed radioisotopes in layers of fossilized volcanic ash. Decay of uranium to lead within tiny crystals enabled scientists to precisely pinpoint dates for certain events. They ...

There's few places left in Hawaii that are uncrowded and pristine, but Hana, Maui is one of them. Here's a travel guide to ...

Explore the natural wonders of Costa Rica with its diverse landscapes, rich biodiversity, and active volcanoes. Discover why ...

C&EN reporter Craig Bettenhausen was in Iceland in early October en route from the World Hydrogen Week conference in ...