Editor’s note: Professor Ji-Young Lee of American University answers five questions to help put issues related to North Korea’s nuclear weapons capabilities into context.

Why is there a North and a South Korea?

Before there was a North and South Korea, the peninsula was ruled as a dynasty known as Chosŏn, which existed for more than...

When a patient has diabetes, doctors typically prescribe insulin, along with diet and exercise. When a patient has high blood pressure, we prescribe...

The Trump administration’s effort to dramatically expand federal offshore oil production has reignited a battle with California that dates back nearly 50 years.

On January 28, 1969, a blowout from Union Oil’s Platform A spilled more than 3.2 million gallons of...

Attorney General Jeff Sessions recently clarified how the Trump administration intends to treat states that have legalized pot, which remains illegal on the federal level.

The Obama administration eventually took a relatively hands-off approach...

On Feb. 6, technology companies, educators and others mark Safer Internet Day and urge people to improve their online safety. Many scholars and academic researchers around the U.S. are studying aspects of cybersecurity and have identified ways people can help...

Roughly 15 percent of Americans report some sort of hearing difficulty; trouble understanding conversations in noisy environments is one of the most common complaints. Unfortunately, there’s not much doctors or audiologists can do. Hearing aids can amplify...

“If poor people knew how rich rich people are, there would be riots in the streets.”

Actor and comedian Chris Rock made this astute statement during a 2014 interview with New York magazine, referring to the yawning gap between rich and poor. In so doing, he stumbled upon a key challenge in the study of inequality.

What’s the best...

Year after year, southern states consistently rank among the worst in the U.S. for health and wellness.

This is not a new trend. The rankings have changed little over the last quarter century....

On Feb. 2, President Donald Trump allowed the release of the previously classified “Nunes memo.” The memo, written by Republican congressional aides, criticized information used as the basis for a FISA court surveillance application related to the...

President Donald Trump’s attacks on the FBI may have reached a climax.

In an apparent attempt to discredit Robert Mueller’s Russia probe, staff of the House Intelligence Committee on behalf of its chair Republican Devin Nunes of California, wrote and on Feb. 2 r...