NEW YORK — ABC News says Charles Gibson is retiring and Diane Sawyer will replace him as the anchor of "World News."

NEW YORK (AP) -- ABC News hasn't named a permanent replacement for the late Peter Jennings at "World News Tonight," but did say Monday who it won't be - Diane Sawyer.

LOS ANGELES - After months of rumors, Nicole Richie confirmed Tuesday that she is pregnant. "Yes I am. We are," Richie told ABC News' Diane Sawyer for an interview to be aired this week.

LOS ANGELES - After months of rumors, Nicole Richie confirmed Tuesday that she is pregnant. "Yes I am. We are," Richie told ABC News' Diane Sawyer for an interview to be aired this week. "I'm almost four months."

NEW YORK — ABC says Chris Brown will appear on its "20/20" newsmagazine Dec. 11.

NEW YORK - The prostitute at the center of the salacious scandal that brought down former New York Gov. Eliot Spitzer and generated national headlines is going to dish on her life as a pricey escort.

NEW YORK - Sam Champion, longtime weatherman for New York's ABC affiliate, has been named weather anchor of ABC News' "Good Morning America," the network announced Tuesday.

NEW YORK - ABC's "Good Morning America" is losing co-anchor Charles Gibson and now it is losing its chief executive behind the scenes, too.

Scott Smith said Thursday he'll run for a second term as Mesa's mayor to continue pushing his economic development and community revitalization initiatives.

NEW YORK - The authorized biography of former prisoner of war Pfc. Jessica Lynch reportedly says she was raped by her Iraqi captors.

NEW YORK - After Diane Sawyer and Robin Roberts delivered his morning coffee and glazed doughnut, Charles Gibson celebrated his final day on "Good Morning America" Wednesday after nearly 19 years as host. He's working later now on ABC's evening news.

NEW YORK - Brad Pitt is taking on poverty and AIDS in Africa - and the tabloids. In an hour-long ABC "Primetime Live" special set to air Tuesday night (10 p.m. ET), Pitt talks to Diane Sawyer about the humanitarian crisis in Africa.

NEW YORK - Former New York Gov. Eliot Spitzer's call girl scandal prompted ABC News to give the go-ahead to a two-hour prime-time special on prostitution that includes Diane Sawyer's visit to a legal brothel in Nevada.

NEW YORK - ABC News will broadcast five hours of live primary coverage on Super Tuesday as voters in nearly half the country go to the polls next week.

LOS ANGELES - How wonderful celeb news is when Elton John's in the world. The ever-opinionated popster weighs in on a variety of subjects in a two-part "Access Hollywood" interview, including Whitney Houston and Clay Aiken.