The chemical makeup of mineral inclusions preserved in impact glass hints at the site of a missing impact crater. Tektites are natural glass formed when debris falls back to Earth after a ...

An overlooked jewel hugging its very own lake—Lake Lugano—the city has long been a haven for writers and artists drawn to its palm tree-lined beauty, Alpine foothills, warm summer weather ...

Kilauea volcano in Hawaii is erupting with fountains of lava. Check out a USGS livestream from within the Halema'uma'u crater. Kilauea volcano entered its fourth eruptive episode on Thursday ...

37. The highway cuts through the rim of Brushy Creek Crater near St. Helena Fire Department District #4 Fire-Rescue Headquarters. The formations are the result of an extraterrestrial impact.