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...

Auroral Kilometric Radiation (AKR), a type of auroral radio emission from Earth, is closely associated with various phenomena...

Since 2017 the Arase satellite has been investigating electron number density and temperature in the near-Earth environment. Electron...