NASA
Nasa: The Solar Terrestrial Relations Observatory
The Solar Terrestrial Relations Observatory works to help scientists predict and better understand solar storms caused by coronal mass ejections. These powerful storms can disrupt phone signals, GPS, and services that rely on satelites....
NASA
Nasa: Image Science Center: Ask the Space Scientist Earth
Site from NASA contains a collection of 91 questions pertaining to the Earth's atmosphere, magnetic field, ionosphere, rotation and origin of life.