NASA Postpones Launch of Space Radiation Probes by 24 Hours

NASA postponed launching two spacecraft into the harsh radiation belts around Earth Friday (Aug. 24) due to an apparent malfunction with a tracking system that monitors the mission's rocket. The tracking beacon glitch popped up before dawn on Friday, late in the mission's final countdown, prompting NASA to delay the launch of its twin Radiation Belt Storm Probes from Florida's Cape Canaveral Air Force Station by at least 24 hours. More

(Source: Space.com - Aug 25)