Seafloor lava rubble stores far more carbon than solid rock, revealing a long-overlooked carbon sink shaping Earth’s climate over time.

For three days, a remote volcano off the Pacific Northwest coast has been shaking almost nonstop, a deep rumble beneath the ...

LOS ANGELES — A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San ...

Far below the Pacific Ocean, about 300 miles off the Oregon coast, lies Axial Seamount, the most active underwater volcano in ...

• Axial Seamount is the best-monitored submarine volcano in the world. • It’s the most active undersea volcano closest to California. • It could erupt by the end of the year. A mysterious and highly ...