U.S.

Ramsey County Attorney John Choi says he won't step aside but will incorporate a "special prosecutor" into his team. Castile was shot and killed by a police officer during a traffic stop July 6.

Officials say they've found the first indication that mosquitoes are transmitting Zika virus in the U.S. Four people in South Florida are infected; travel or sexual transmission has been ruled out.

The 4th U.S. Circuit Court of Appeals ruled against the state's law requiring voters to show photo identification. The court found that the Legislature had "discriminatory intent."

Home Instruction for Parents of Preschool Youth, or HIPPY, is a program backed by by 20 years of research. Bill Clinton gave it some love at his speech in Philadelphia. We take a closer look.

Trained dogs are increasingly being used to help people with diabetes detect hypoglycemia. One study finds the dogs can indeed do that, but aren't as reliable as a continuous glucose monitor.

While consumers continue to spend, business investment was down, suggesting that companies are growing nervous about the future.

Both 1968 and 2016 can be seen as good years for the economy. And yet both may be remembered for their extreme political discontent. Shouldn't good economic times make us less cranky? Apparently, not.

The officers were assigned to an elite anti-gang unit. The police department said the injured officer is out of surgery and is expected to survive. A suspect is in custody, the police chief says.

Whatever the judgment of polls in the days ahead, the Democratic Party's gathering was an achievement in careful and effective political management.