Israeli hostages won't be freed until at least Friday, official says. Hundreds of dogs across U.S. sickened by mysterious respiratory illness. Cities, retailers increase security as crime concerns grow ahead of holiday shopping season. Millions of Americans take to the roads for Thanksgiving. As Pickleball's popularity grows, older playersshould be wary of injury risks. 3 dead, 3 missing in Alaska landslide. New documentary features interviews with JFK's Parkland doctors. Sam Altman returns as CEO of OpenAI.