Dana Roberson

A group of former top military leaders have warned that global warming is a direct threat to our national security. What might the military do to combat the effects of climate change?

At the United Nations, Ukraine will attempt legal action against Russia for its annexation of Crimea. The United States is expected to play a role.

To assuage concerns about head injuries, the NFL now has one "concussion spotter" and two neurotrauma consultants at every game. How effective are they in actually protecting players?

It's been 53 years since the Supreme Court decided that everyone has the right to an attorney. But local jurisdictions are struggling to provide legal services for poorer defendants.

In what will likely be his last visit to China and Laos as commander in chief, President Obama is facing a series of strategic challenges. 

Venezuelan President Nicolás Maduro is being blamed for an economic crisis that has resulted in dire food shortages, rising crime, and a lack of basic services and medical care. 

Yesterday, Georgetown University apologized for its historical use of slavery, and has stated it will be taking action to make amends.

Trump re-upped his pledge to build a wall and create a "deportation task force" to round up the "most dangerous criminal illegal immigrants."

Several communities across the country have balked at proposals to build Muslim cemeteries, and are using zoning regulations as a way to prevent cemeteries from being developed.

Senator Strom Thurmond gave the longest filibuster in U.S. history against the Civil Rights Act of 1957. It remains a symbolic reminder of America's long history of racism and bigotry.

A new report highlights allegations of racism linked to Donald Trump's real estate empire, but racial discrimination in housing is nothing new.

Observers have said that Trump's appeal to African-American voters and his apparent pivot on issues like immigration are actually designed to win over white Republicans.

Residents of Key Haven, Florida, aren't happy that their community has become a testing ground for genetically modified mosquitos. But such mosquitos may stop the spread of Zika.

In September 1971, nearly 1,300 prisoners took over the Attica Correctional Facility in upstate New York. What ensued was one of the bloodiest prison encounters in U.S. history.

Most presidents put their money in blind trusts while in office to avoid conflicts of interest. Donald Trump says his children would run his operations if he's elected.

Wildfires have scorched tens of thousands of acres across America. As these disasters become more frequent, the Forest Service is diverting funds from recreation and restoration.

On August 21st, 1831, the south's most violent slave rebellion unfolded over a 48 hour period in Southampton County, Virginia.

On Thursday, the Justice Department announced it would end the use of private prisons after determining they are less safe and effective than federally run prisons.

In 1970, there were fewer than 8,000 women in American jails, but by 2014, that number grew to more than 110,000. 

As the games pass the halfway point, how is the city of Rio holding up, and what will the aftermath and legacy of these games be when the tourists and athletes return home?