News Articles

Solar Minimum is Coming Poster
Sun, Our Sun, Earth’s Space Environment
Jun 27, 2017
High up in the clear blue noontime sky, the sun appears to be much the same day-in, day-out, year after year. But astronomers have long known that this is not true. The sun does change. Properly-filtered telescopes reveal a fiery disk often speckled with dark sunspots. Sunspots are strongly... Read More
Sun, Earth’s Space Environment
May 16, 2017
The spectacle of a mammoth rocket ‘breaking the surly bonds of Earth’ takes our breath away. Equally amazing are the secrets revealed to us by science missions these rockets have launched – and NASA puts careful thought into what kind of mission will best achieve that science. Sometimes a large,... Read More
NASA's Sounding Rockets Poster
Sun, Earth’s Space Environment
Sep 21, 2016
Summertime airshows are fun to watch, especially when aircraft fly in tight formation. The sight of airplanes soaring overhead practically wingtip to wingtip is thrilling to behold. Four of NASA’s spacecraft recently performed an equally thrilling maneuver: In Oct. 2015, the satellites of NASA’s... Read More
NASA Spacecraft Fly in Record-setting Formation Poster 2
Sun, Earth’s Space Environment
Aug 16, 2016
Northern summer is underway. It’s time for picnics, hot dogs, dips in the pool... …and, oh yes, electric blue sunsets.
Earth, Sun, Earth’s Space Environment
Jun 14, 2016
Go outside tonight and behold the stars — especially bright stars low on the horizon. They twinkle as irregularities in Earth's atmosphere pass by. Unseen to the human eye, the same thing happens to signals from GPS, the Global Positioning System. Radio signals twinkle in much the same way as... Read More
Twinkle Twinkle GPS Poster 2
Sun, Earth’s Space Environment
Dec 14, 2015
Warning:  Earth is surrounded by electrons that can be disruptive to our technology.
Escape of the Destructive Electrons Poster