Quakes recorded for the first time inside Greenland's biggest frozen river, the Northeast Greenland Ice Stream, suggest this ...

A recent study has revealed that dormant volcanoes in the Cascade Range still contain significant amounts of magma beneath their surface, challenging long-standing assumptions about volcanic activity.

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

The great ice streams of the Antarctic and Greenland are like frozen rivers, carrying ice from the massive inland ice sheets ...