This discovery is the latest in a growing stack of evidence pointing to the presence of an ammonia-rich water ocean beneath Pluto’s icy crust.
volcanoes
Posted inEditors' Highlights
Crystals Connect Bubbles in Explosive Magmas
Hydrous silica-rich magmas can degas through connected bubble pathways when as little as 20% crystals are present, influencing transitions from explosive, Vulcanian-style eruptions to lava effusion.
Posted inEditors' Highlights
On the Prospect of Ancient Metallic Volcanism on Asteroids
There is a possibility of ancient volcanism on metallic asteroids, a new type of volcanism that is not yet observed, though the Psyche mission to the asteroid Psyche may change that soon.
Posted inResearch Spotlights
No Underground Magma Ocean on Jupiter’s Fiery Moon?
A new study suggests alternative explanations for Io’s unusual magnetic field.
Posted inResearch Spotlights
Did a Volcanic Eruption in 1783 Change the Climate in Europe?
A new model of the Laki eruption in Iceland suggests that normal climate variability was to blame for the anomalously warm summer.
Posted inNews
National Volcano Warning System Gains Steam
It took more than a decade, but a bill that funds U.S. volcano monitoring efforts and establishes a single system became law on 12 March.
Posted inNews
Hawaiian Volcano Observatory Searches for a New Home
Seismic activity during the eruption of Kīlauea damaged the Hawaiian Volcano Observatory beyond repair. Now officials are looking for a new site.
Posted inScience Updates
Examining Alaska’s Earthquakes on Land and Sea
The Alaska Amphibious Community Seismic Experiment is taking a close look at seismic activity along the Alaska Peninsula to understand earthquakes in this little-studied region.
Posted inScience Updates
Data from Past Eruptions Could Reduce Future Volcano Hazards
Optimizing the Use of Volcano Monitoring Database to Anticipate Unrest; Yogyakarta, Indonesia, 26–29 November 2018
Posted inScience Updates
Ecuador’s El Reventador Volcano Continually Remakes Itself
A research team from Ecuador’s Geophysical Institute keeps a close eye on an unusually active and unstable volcano in the nation’s remote jungles.