Sun, Earth’s Space Environment
Sep 21, 2016
Four NASA spacecraft have performed a thrilling maneuver to understand the physics of explosive reconnection in Earth's magnetosphere.
Sep 22, 2015
On Sunday, Sep. 27th, the super Harvest Moon passed through the shadow of Earth, producing a lovely amber total lunar eclipse.
Sep 11, 2015
NASA's MMS spacecraft are flying around Earth in a precise formation made possible by an out-of-this-world system of GPS navigators.
Aug 28, 2015
NASA-supported researchers have found that ice covering Greenland is melting faster than previously thought. The action is happening out of sight, below the surface.
Solar System, Sky Watching
Aug 10, 2015
This week, Earth passes through a stream of debris from Comet Swift-Tuttle, source of the annual Perseid meteor shower. Forecasters say the show could be especially good this year because the Moon is nearly new when the shower peaks on Aug. 12-13.