Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

A swarm of more than 100 shallow earthquakes at Alaska's Mount Spurr that began Sunday night and ran to Monday morning suggest the volcano could be moving closer to an eruption. "It's about a 50/ ...

What’s next? Lava is erupting from several volcanoes, including one in Hawaii. Nearly 50 volcanic eruptions have been recorded this year, and more are expected. The Axial Seamount, an underwater ...