** ADVANCE FOR SUNDAY, AUG. 6 **FILE**The meteorite labeled ALH84001 sits under a microscope at a Johnson Space Center lab in Houston,in this Aug. 7, 1996 file photo. Researchers at NASA and three universities claimed to have found in the rock from Mars organic compounds they said were deposited by primitive life forms before the meteorite was blasted into space and sent on a 15 million-year voyage to Earth. (AP Photo/David J. Phillip)