In THEMIS's sixth year in space, it is helping to show how even small variations in the magnetosphere can sometimes cause extreme space weather ...› Read More
07.19.11 - A NASA led team of scientists and engineers has repositioned two small probes from Earth’s orbit where they studied space weather to begin orbiting the moon to study its interior and surface composition.
10.27.10 - Two NASA spacecraft have been assigned a new mission after successfully completing their original science objectives earlier this year.
03.04.08 - For reasons not fully understood, auroras are more common in the spring than at other times. The five-craft THEMIS fleet may help scientists determine why.
THEMIS has made three important discoveries about spectacular eruptions of Northern Lights called "substorms" and the source of their power.
07.16.07 - Status report on the THEMIS spacecraft as of July 16, 2007.