We focus on the volcanically active Io and the icy moon Europa. Sulfur and oxygen ions generated from...

We observe auroral emissions from both space and ground, and combine them with satellites and ground-based radar to...

‘Geospace’ is the space around the Earth that consist of plasma (charged particles) originating from the Earth’s atmosphere...

Have you heard that “Earth is like a giant magnet”? This magnet creates a vast region called the...

Auroras glow above the Arctic and Antarctic. Far above them, powerful radio emissions known as Auroral Kilometric Radiation...

The JAXA Arase satellite, which traverses the Earth’s radiation belts, investigates plasma activity extending from the ionosphere to...