Astronaut Scott Kelly along with his brother, former Astronaut Mark Kelly speak to news media on Jan. 19, 2015 about…
NASA's Solar Dynamics Observatory captured an image of a M9.2-classl solar flare on March 7, 2015.
The moon Iapetus, like the "force" in Star Wars, has both a light side and a dark side.Scientists think that…
Does ALL solar activity impact Earth?
What is a coronal mass ejection or CME?
What is a solar prominence?
What is a solar flare?
What is solar activity?
NASA's Terra satellite captured this image of the snow on the ground in the northeastern U.S. and Canada on March…
NASA astronaut Steve Swanson, Expedition 40 commander, performs a visual exam using an eye chart (out of frame) in the…
