NASA Grounds Endeavour Until Monday
CAPE CANAVERAL, Fla., April 29 (UPI) -- NASA scrubbed Friday's scheduled launch of space shuttle Endeavour in Florida because of a problem with two heaters. President Obama and U.S. Rep. Gabrielle Giffords, the wife of shuttle flight commander Capt. Mark Kelly, had planned to attend the 3:47 p.m.... Sign in to see full entry.