Weeks before his assassination, JFK toured California's wild landscapes, visiting Lassen and Whiskeytown to champion ...

Its namesake feature, the 10,457-foot Lassen Peak, is one of the world's largest lava dome-type volcanoes and the southernmost active volcano in the Cascade Range. Add Lassen Volcanic's incredibly ...

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new research finds. The findings have implications for monitoring volcanoes ...

It appears that these magma bodies exist beneath volcanoes over their whole lifetime, not just during an active state.' ...

"Regardless of eruption frequency ... Mount Hood, Newberry Volcano, Crater Lake and Lassen Peak. Three Sisters and Mount Shasta did not show similar patterns, but that could have been due to ...

Scientists have found giant magma reservoirs under dormant volcanoes in the Cascades. A new study shows that the magma system can persist even after eruptions.

Mount Spurr is not the kind of lava-spewing volcano familiar from Hawaii, but instead has historically ejected huge plumes of ...

A volcano near Alaska’s most populous city may be preparing to erupt, according to experts who have been monitoring the ...

Kilauea, one of the world's most active volcanoes, has been erupting on and off for nearly two months since it burst to life ...

An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.