Northern California's Sáttítla Highlands are a testament to the region's volcanic past, with the landscape dramatically ...

Expansive lava flows in the Sáttítla Highlands was captured by satellites ahead of the recent designation of the area as a national monument.

volcanoes produce an arc stretching along the southern edge of the Bering Sea and onto the Alaska Peninsula. This volcanic arc delineates the boundary between the Pacific and North American ...

Bringing a novel approach to a classic problem, researchers have revealed how changes in ocean chemistry over the past 2 ...

north of St Vincent. Most of the Lesser Antilles islands are part of a long volcanic arc in the Eastern Caribbean.