Brazil Petrobras scandal: Workers' Party treasurer Vaccari steps down

The treasurer of Brazil's ruling Workers' Party, Joao Vaccari, has stepped down, after being arrested over corruption at oil giant Petrobras.

Sewol disaster: President makes ferry pledge as South Korea mourns

South Korea's president has promised to raise the Sewol ferry, as the nation marks a year since the disaster.

Iraqi official warns Ramadi could fall as ISIS militants lay siege.

The key Iraqi city of Ramadi could fall within hours to ISIS militants who have been gaining ground in recent days, a local official said Wednesday.Fierce fighting has engulfed Ramadi,

Why White House needs Congress on Iran deal.

The White House insists it doesn't need congressional approval for the Iran nuclear deal announced this month. But while historical precedent suggests the President might indeed have the authority to move forward without Congress,

Stop calling her Hillary.

Since the news broke last weekend that Hillary Clinton had declared her candidacy, notable among the blitz of news stories are the many that refer to her as the mononymous "Hillary," as if she were a pop star in a pantsuit.

He's in: Marco Rubio announces presidential bid.

Sen. Marco Rubio cast himself as the forward-looking candidate to lead the nation toward a new American century when he announced his presidential bid Monday,

Hidden cameras reveal airport workers stealing from luggage.

Inside a plane at Miami International Airport, baggage handlers are going on a shopping spree with passengers' bags.What they don't know is that they are being recorded on a hidden camera.

ISIS targets Iraq's largest oil refinery.

ISIS claimed it controlled part of Iraq's largest oil refinery Sunday, posting images online that purported to show the storming of the facility, fierce clashes and plumes of smoke rising above the contested site.

First on CNN: Hillary Clinton takes road trip to Iowa.

Hillary Clinton is kicking off her second bid for the White House with a road trip, riding from New York to her first campaign stop on Tuesday in Iowa. She was spotted on Sunday evening chatting with people at a gas station in Pennsylvania.

U.S. to file complaint over 'unsafe' intercept by Russian fighter jet.

After a Russian fighter jet intercepted a U.S. reconnaissance plane in an "unsafe and unprofessional manner" earlier this week, the United States is complaining to Moscow about the incident.On Tuesday,