Liftoff of a Delta II rocket and its NASA payload, the Wide-field Infrared Survey Explorer (WISE), has been delayed 24 hours. At the soonest, launch now will be Saturday, Dec. 12, during a launch window that extends from 6:09:33 to 6:23:51 a.m. PST (9:09:33 to 9:23:51 a.m. EST). The delay allows the launch team additional time to troubleshoot a technical issue. During final systems checks of the Delta II rocket Wednesday in preparation for flight, an anomaly in the motion of a booster steering engine was detected. Continue reading →