The CNN host, 76 and his wife, 50, filed petitions Wednesday in a Los Angeles court to dismiss their divorce case, almost three months after they initially filed the documents.
"A lot of new things are happening to us," King said in a statement, "and we are happy to be together as a family with our children."
King's lawyer Dennis Wasser told PEOPLE in April there was a "50-50 chance this divorce is not happening." A month later, the two, who have two sons together, said they owed "it to ourselves and our children to continue being dedicated to each other."
When Southwick was reportedly hospitalized May 28 after what police say may have been a possible suicide attempt, King stood by his wife.
"Our marriage is still together and I am staying very close to our children [Chance, 11, and Cannon, 9], who we love immensely," he said at the time. "We shall go through this difficult time intact as a family."
News that King and Southwick were dropping their divorce was first reported by TMZ.com.
Reporting by DAVID CAPLAN and KEN LEE