MH370: Did the pilots do it?

Two years after MH370 went missing and key questions remain unanswered: Where is the plane and what happened in the cockpit in the early hours of March 8, 2014?

O.J. Simpson case: What the found knife can and can't tell us

The so-called "trial of the century" had all the drama, twists and turns one could imagine -- except for a murder weapon.

UK police preparing for 'enormous' potential ISIS attacks, British terror chief says

British police are preparing for "enormous and spectacular" potential attacks on the UK as ISIS moves into its "next natural phase," Britain's senior counterterrorism officer said Monday.

EU and Turkey agree on refugee crisis proposal

Turkey and the European Union have reached agreement on key points of a proposal to handle the overflow of refugees, according to a tweet for the spokesman of European Commission President Jean-Claude Juncker.

Michael Bloomberg decides against run for president

Michael Bloomberg has announced that he will not run for president of the United States, ending months of speculation about the media mogul's late-stage entry into the 2016 race.

Clinton, Sanders talk over each other in debate clash

Hillary Clinton and Bernie Sanders angrily clashed over auto industry bailouts, guns and ties to Wall Street on Sunday, as underlying tensions in the Democratic presidential race burst into the open at an impassioned CNN debate in Flint, Michigan.

Former President Jimmy Carter no longer needs cancer treatment

The news keeps getting better for former President Jimmy Carter. Carter revealed Sunday that he no longer needs to receive treatment for cancer.

Joint exercises prompt new nuclear threat from North Korea

North Korea warned it would make a "preemptive and offensive nuclear strike" in response to joint U.S.-South Korean military exercises that began Monday.

CNN projects Sanders tops Clinton in Maine caucuses; Rubio wins Puerto Rico primary

Vermont Sen. Bernie Sanders will beat Hillary Clinton in the Maine Democratic caucuses, CNN projects, while Florida Sen. Marco Rubio won the Republican primary in Puerto Rico.

Nancy Reagan dead at 94

Former first lady Nancy Reagan, who joined her husband on a storybook journey from Hollywood to the White House, died Sunday.