ICON Stories

ICON, shown in this artist’s concept, studied the frontiers of space, the dynamic zone high in our atmosphere where terrestrial weather from below meets space weather above.

NASA’s ICON Mission Ends with Several Ionospheric Breakthroughs

5 min read

After contributing to many important findings on the boundary between Earth’s atmosphere and space — an area where space weather can interfere with both satellites and communications signals — NASA’s ICON (Ionospheric Connection Explorer) mission has come to an end.…

Article3 months ago

NASA Mission Finds Tonga Volcanic Eruption Effects Reached Space

4 min read

When the Hunga Tonga-Hunga Ha‘apai volcano erupted on Jan. 15, 2022, it sent atmospheric shock waves, sonic booms, and tsunami waves around the world. Now, scientists are finding the volcano’s effects also reached space. Analyzing data from NASA’s Ionospheric Connection…

Article2 years ago

Strong Winds Power Electric Fields in the Upper Atmosphere, NASA’s ICON Finds

7 min read

What happens on Earth doesn’t stay on Earth. Using observations from NASA’s ICON mission, scientists presented the first direct measurements of Earth’s long-theorized dynamo on the edge of space: a wind-driven electrical generator that spans the globe 60-plus miles above…

Article3 years ago