NASA’s Carruthers Geocorona Observatory began its 24-month primary science mission on March 1. The spacecraft, launched in September 2025, will focus its full efforts on studying Earth’s exosphere, the vast cloud of hydrogen that forms the outermost part of our atmosphere.  Carruthers launched from NASA’s Kennedy Space Center on Sept. 24, 2025, and reached its target orbit around … Continue reading NASA’s Carruthers Geocorona Observatory Begins Primary Science Mission