
The Balloons program provides an inexpensive test platform for compact satellites and scientific instruments that study the atmosphere.Launch: Multiple LaunchesOperating…

A twisted blob of solar material – a hot, charged gas called plasma – can be seen erupting off the…

This CME image from Oct. 7, 2012, captured by two instruments on STEREO, shows the eruption from its base out…

STEREO’s view of the March 5, 2013, CME from the side of the sun – Earth is far to the…

The moon passes in front of the sun as seen from the perspective of NASA’s Solar Dynamics Observatory on Sept…

NASA’s Balloon Observation Platform for Planetary Science launches on Sept. 9, 2014.

A joint project of Taiwan and the United States, COSMIC is a constellation of six small satellites that study Earth’s…