Leno announced the move Wednesday in a news release.
NBC also confirms that the show will be moving to New York City when Fallon takes over. "Saturday Night Live" producer Lorne Michaels will take over as producer of the new "Tonight Show."
The move has been widely reported but not confirmed by the network until now. NBC reportedly just wrapped up negotiations with Fallon on a contract extension.
NBC did not say who will replace Fallon in his current time slot, which is one hour later than the "Tonight Show."
Ellen DeGeneres hooked for 'Nemo' sequel 'Finding Dory'
LOS ANGELES (AP) -- Ellen DeGeneres is going fishing again with a sequel to the animated blockbuster "Finding Nemo."
Disney and its Pixar Animation unit announced Tuesday that DeGeneres will reprise her "Nemo" voice role for "Finding Dory." The sequel is due out Nov. 25, 2015, and will be directed by Andrew Stanton, who also made "Finding Nemo."
"I have waited for this day for a long, long, long, long, long, long time," DeGeneres said. "I'm not mad it took this long. I know the people at Pixar were busy creating 'Toy Story 16.' But the time they took was worth it. The script is fantastic. And it has everything I loved about the first one: It's got a lot of heart, it's really funny, and the best part is -- it's got a lot more Dory."
The new film picks up about a year after the action of "Finding Nemo," with DeGeneres' forgetful fish Dory on her own adventure to reunite with loved ones.
According to Disney, the film will feature new characters along with familiar ones, including Nemo and his dad, Marlin, who was voiced by Albert Brooks. There's no word yet from Disney on whether Brooks will reprise his voice role.
"Finding Nemo" was released in 2003 and took in $921 million worldwide. The movie was the first Pixar production to win the Academy Award for best animated feature after the category was added in 2001. Pixar films have gone on to dominate, winning the Oscar seven years out of 12.
US Embassy in Cairo deletes tweet on Jon Stewart
WASHINGTON (AP) -- Oh, the perils of digital diplomacy!
The U.S. Embassy in Cairo temporarily shut down its Twitter feed on Wednesday and deleted a tweet linking to a video of "The Daily Show," in which host Jon Stewart mocked Egyptian President Mohammed Morsi. The monologue about the arrest of an Egyptian satirist offended the Egyptian government and sparked an unusual diplomatic incident.
The embassy's Twitter account was deleted -- and then restored minus the Stewart post -- after Egyptian authorities objected to a tweet that contained a link to Stewart's Monday show in which he joked about the arrest of a high-profile satirist, Bassam Youssef, who has poked fun at Morsi, U.S. officials said. The officials spoke on condition of anonymity because they were not authorized to discuss the matter publicly.
In the clip tweeted by the embassy, Stewart came to the defense of Youssef and criticized Morsi for his arrest and interrogation as being undemocratic and petty. Youssef has been a guest on Stewart's program.