geophysics

We probed Santorini’s volcano with sound to learn what’s going on beneath the surface

We probed Santorini’s volcano with sound to learn what’s going on beneath the surface

The island of Santorini in the Mediterranean has attracted people for millennia. Today, it feels magical to watch the sun set from cliffs over the deep bay, surrounded by cobalt blue churches and whitewashed houses. This mystical place attracts about 2 million tourists per year, making it one of the top destinations in Greece.

Explorers probe hidden continent of Zealandia

Explorers probe hidden continent of Zealandia

Zealandia made global headlines earlier this year when scientists announced that it counts as a new continent. Now it is coming under closer scientific scrutiny. We are currently halfway through an expedition to drill into this vast underwater plateau of continental crust, and we can already reveal that Zealandia’s geography changed more dramatically and more recently than anyone had thought.

NASA’s Van Allen Probes Reveal Long-term Behavior of Earth’s Ring Current

NASA’s Van Allen Probes Reveal Long-term Behavior of Earth’s Ring Current

New findings based on a year's worth of observations from NASA’s Van Allen Probes have revealed that the ring current – an electrical current carried by energetic ions that encircles our planet – behaves in a much different way than previously understood.