NASA waits for word that Saturn spacecraft met fiery end

CAPE CANAVERAL, Fla. — NASA waited for confirmation Friday that the Cassini spacecraft had burned up in the sky over Saturn.Cassini had been put on a course to plunge through Saturn's atmosphere and vaporize like a meteor at the end of its 20-year journey exploring the planet.Flight controllers at California's Jet Propulsion Laboratory expected one last burst of scientific data from Cassini, before the radio waves go flat — and the spacecraft falls silent.Confirmation that Cassini ha