CNN US

Increased levels of prenatal fluoride exposure may be associated with lower cognitive function in children, a new study says.

Hurricane Irma barreled through the Caribbean, leaving catastrophic damage on islands in its path.

Since white ex-St. Louis police officer Jason Stockley was acquitted Friday in the 2011 fatal shooting of Anthony Lamar Smith, a 24-year-old black man, demonstrators have taken to the streets every night. Largely peaceful in the daytime and sometimes turning violent after dark, the protests have reignited the national conversation over race, police conduct and the use of the deadly force.

More than 80 people were arrested after a third night of demonstrations in St. Louis over the acquittal of a former police officer who had been charged with first-degree murder.

As feared, Hurricane Maria rapidly strengthened Monday morning as it barreled toward Puerto Rico and islands left in ruins by Hurricane Irma.

Protests erupted late Monday on the campus of the Georgia Institute of Technology in Atlanta, after police fatally shot a student who allegedly had a knife.

A mother accused of abducting her son nearly three years ago was captured the day after her case was profiled on HLN's "The Hunt with John Walsh."

Donald Trump Jr. is seeking to scale back his Secret Service protection, four sources familiar with Trump Jr.'s Secret Service protection confirmed Monday.

Sen. Bob Menendez's federal bribery trial is expected to last up to two months -- and patience already appears to be wearing thin.