NASA's ICON launches to study the boundary between Earth and space
The long-delayed mission is finally in orbit.
Ionosphere
NASA ramps up its efforts to understand space weather
NASA hopes to mitigate space weather's effects on astronauts, spacecraft and the utility grid.
NASA's ICON launch to the ionosphere delayed (update)
It will take off on a rocket dropped 40,000 feet over the ocean.We have two newsletters, why not sign up for both?
SpaceX rocket carved giant hole in the ionosphere
It was only temporary, but it could have affected GPS.
