If you've recently changes your Windows OS, that's the cause of the missing icon. Windows is a customizable program, though, and you can install any icons you want on the taskbar in Windows XP, 7 ...

NASA’s Ionospheric Connection Explorer (ICON) mission has ended after nearly five years of advancing the understanding of Earth’s interface to space. The mission studied the outermost layer of ...

NASA's ICON mission gathered valuable data as it orbited the outermost layer of Earth's atmosphere, about 55 miles to 360 miles into space in the ionosphere, and provided critical breakthroughs on ...

NASA's ICON mission ends after five years of advancing Ionosphere research and understanding Earth’s interface to space. NASA's ICON mission wraps up, enhancing space weather insights.