News tagged with volcanic activity

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The Solar System's grandest canyon

Earth's Grand Canyon inspires awe for anyone who casts eyes upon the vast river-cut valley, but it would seem nothing more than a scratch next to the cavernous scar of Valles Marineris that marks the face ...

Oct 23, 2012
4.4 / 5 (11) 34 | with audio podcast

NASA Goes Inside a Volcano, Monitors Activity

(PhysOrg.com) -- Scientists have placed high-tech "spiders" inside and around the mouth of Mount St. Helens, one of the most active volcanoes in the United States. Networks such as these could one day be used ...

Aug 07, 2009
4 / 5 (4) 1