Category 5 storm is churning toward Puerto Rico, where the governor warns of a 'catastrophe'

Hurricane Maria, making its first landfall as a Category 5 storm, has blasted Dominica with "widespread devastation," according to the prime minister of the Caribbean island nation.

Track the storm: Follow Maria's path

What it's like riding out Hurricane Maria

John Thottungal, who is in Dominica, tells CNN's Anderson Cooper what it's like riding out Hurricane Maria.

For first time in 300 years, no one is living on Barbuda

When Hurricane Irma ravaged the island of Barbuda in the Caribbean, the ferocious storm "extinguished" the isle's way of life and left the beautiful spot "uninhabitable." And, now, for the first time in a few centuries, no one lives there.

Hurricane Maria could cripple debt-laden Puerto Rico

Puerto Rico is years into an economic crisis. Now it's facing a potential natural disaster.

Yes, climate change made Harvey and Irma worse

The right time to talk climate change is now.

Violent protests erupt on Georgia Tech campus after student is killed by police

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.

Video shows protester chased by cop

Violence erupted on the campus of the Georgia Institute of Technology in Atlanta after a vigil for a student shot and killed by police. A campus police car burned after its windshield was smashed, and videos taken by people at the scene showed police handcuffing individuals who had been forced to the ground.

This pension fund is now worth $1 trillion

Norway's giant pension fund is now worth over $1 trillion. Yes, 1 followed by 12 zeros.

Prenatal fluoride exposure linked to lower IQ in kids, study says

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