Island turns into open-air lab for tech-savvy volcanologists

They come with eagle-eyed drones and high-precision instruments. Aided by satellites, they analyze gas emissions and the flows of molten rock. On the ground, they collect everything from the tiniest particles to "lava bombs" ...

Volcanic ash halts flights on Spanish island

Planes were grounded on La Palma, one of Spain's Canary Islands, for the second straight day Sunday because of ash from a volcano that began erupting a month ago.

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