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Ten of the 14 Republican presidential candidates took the stage last night in Cleveland, Ohio, in the first Republican debate of the 2016 race.

Commodities like nickel, coffee, gold, sugar, silver and oil are down. Bucking the trend in the short term is uranium, which is up 28 percent in the last year.

A new drug called K2 has hit the streets of Brooklyn. The cheap substance can have effects that last up to 4 hours, and although it’s completely legal, it's dangerous and unpredictable.

The United States government is developing aggressive strategies to proactively defend against cyber hacking after the breach against the Office of Personnel Management last April.

Lawmakers in Congress say the U.S. has been "bamboozled" and "fleeced" by the Iranians. But America's partners in the global community stand by the deal.

Once radio waves are transmitted from Earth, they travel indefinitely through space. Now there's an online program that lets you see how far certain pop songs have traveled. 

Republicans opposed to the Affordable Care Act are forced to live with it after last week's Supreme Court decision. But are insurance companies the real beneficiaries?

South Korea is dealing with a public health crisis after an outbreak of the fast spreading MERS virus. We take a look at what MERS is, and how officials plan to deal with it.

The Defense Authorization Bill is back, and so is Senator Gillibrand on the issue of military sexual assault.

Congress is running out of time to save two sections of the Patriot Act. On Monday, unless the Senate acts, the NSA may not be able to collect data in bulk. 

The U.S. government shells out millions to people that have information on suspected terrorists. Are bounties for information effective, or are they a huge waste of taxpayer money?

Senator Ron Wyden has serious disagreements with the White House over the Trans-Pacific Partnership and the NSA's bulk data collection program—two issues moving through Congress.

By our count, at least 10 Republican candidates are running or have expressed interest in being the next president of the United States. Here we explore the field for the 2016 election.

In Bradford County, Pennsylvania, new research has found that a chemical used in fracking operations has made its way into drinking water that was sampled from three homes in the region.

Retired neurosurgeon Dr. Ben Carson and former Hewlett-Packard CEO Carly Fiorina have both announced their candidacy for the 2016 presidential election.

Vermont Senator Bernie Sander, a self-described socialist, is running for president. The Takeaway explores what his race means for Hillary Clinton and the Democratic party.

Chicago's police department has a troubled past of violence, but a recent agreement surrounding a horrific torture case could be a step forward. 

Pope Francis is hosting a Vatican conference on climate change in anticipation of a major announcement on the environment to be made this summer. 

Dr. Warren Weinstein, an American held by Al Qaeda since 2011, and Giovanni Lo Porto, an Italian national who had been an Al Qaeda hostage since 2012, died in January.

Most of President Obama's support for the Trans-Pacific Partnership has come from the GOP and big business. Democrats and others say it would drive wages down and encourage outsourcing.