What was happening was that microorganisms in the plant’s treatment tanks, which the authority uses to break down sewage, ...

Crystal Cave in Kutztown offers exactly this otherworldly experience, tucked away beneath the rolling hills of Berks County. While Pennsylvania boasts plenty of natural attractions above ground, this ...

Fountains from the south vent at Kilauea’s summit crater soared 1,300 feet (400 meters) into the air, the U.S. Geological ...

This image provided by the U.S. Geological Survey shows evening views of lava fountaining from Haleumaumau Crater at the summit of Kilauea volcano inside Hawaii Volcanoes National Park, Hawaii., Feb.

Hawaii’s Kilauea volcano has been shooting lava from its summit crater about once a week since late last year, delighting residents, visitors and online viewers alike with a firehose of molten rock.

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HONOLULU (AP) — Hawaii’s Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet (30 meters) into the air and across a section of its summit crater floor. It was Kilauea’s 31st ...

HONOLULU — Hawaii’s Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea’s 31st display of molten ...

HONOLULU — Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea's 31st display of molten ...

Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea's 31st display of molten rock since ...