Editor’s note: This guest post was written by Tim Reyes, a former NASA software engineer and analyst who has supported development of orbital and lander missions to the planet Mars since 1992. The International Sun-Earth Explorer spacecraft (ISEE-3) is phoning home and will be returning whether we are ready or not. Launched in 1978 to … Continue reading "Guest Post: No turning back, NASA ISEE-3 Spacecraft Returning to Earth after a 36 Year Journey"