A massive underwater volcano off the Oregon coast, known as the Axial Seamount, may erupt as soon as tomorrow, scientists warn. The seafloor has swelled to levels seen before its last major eruption ...

A river that drained the slopes of a now-vanished volcano may have carved Yosemite Valley's depths during the last 10 million ...

From orbit, Emi Koussi’s dramatic caldera and lava-scarred slopes hint at its fiery past, while dried lakebeds and erosion ...

They tend to inflate like a balloon in between eruptions. At Axial, the sea floor is actually rising, and that’s a big signal ...

A recent study has pinpointed the origin of a 120-million-year-old 'super-eruption,' shedding new light on Earth's intricate ...

Axial Seamount sits at a geological crossroads, fueling some of the most intense undersea action in the region.

The Axial Seamount is one of the most active but least well-known volcanoes in the Pacific and all signs point to it erupting ...

Perched on a hot spot along the Juan de Fuca Ridge, the volcano is steadily inflating with magma, raising  the frequency of ...

One of the Pacific Ocean’s lesser-known volcanoes will blow its vent in the coming months, causing 10,000 earthquakes in one ...

A multinational team of scientists aboard the Exploration Vessel Nautilus will set sail Monday for a 22-day mission to ...