Closing prices for crude oil, gold and other commoditiesAudit cites potential legal violations in purchase of $19,000 lectern for Arkansas governorNASA seeks faster, cheaper way to bring Mars samples to EarthNASA confirms mystery object that crashed through roof of Florida home came from space stationZion Williamson, at long last, set to suit up for the Pelicans in the NBA postseasonMainland urges Taiwan to return to 1992 Consensus to resume dialogueJohn Sterling retires from Yankees broadcast booth at age 85 a few weeks into 34th seasonColombia's capital announces new measures to cut water consumption as dry weather persistsRoyals catcher Salvador Perez sidelined by mild groin strainTexas A&M rides dominating sweep of Vandy to top of college baseball rankings