#CNNWorld

State Department spokeswoman Heather Nauert struggled to describe specific steps the State Department and Secretary of State Rex Tillerson are taking to end the violence in Syria at the agency's briefing on Thursday, exclaiming, "I don't know what some of you expect us to do," while arguing that the administration is "fully engaged."

A vaccine's unexpected benefit. A billionaire's TV appearance. An actress' clapback. What do you remember from the week that was?

President Trump must be much tougher on Russia if the Kremlin's rising power in the world is to be kept in check, according to former Georgian President Mikheil Saakashvili.

In 2011, more than 3 million people lived in the Syrian city of Aleppo. Then the bombs came. Here are ways you can help.

UNICEF Deputy Director Justin Forsyth has resigned after allegations he behaved inappropriately toward female staff members during his time as chief executive at Save the Children.

A family of three shuts off their water and goes 24 hours with only 25 liters of water per person, the same amount issued per person when 'Day Zero' happens in Cape Town.

Premature twin boys born into chaos. An oncologist without medicine to treat her cancer patients. And a mother's last wish -- for her children not to die hungry.

The US government's polarizing decision to ban travel from six Muslim-majority countries set the tone for a year of "hate-filled rhetoric," Amnesty said.

She has visited every corner of the world, but photographer Jill Paider always travels light -- with only a carry-on case as luggage.

More than 100 civilians have been killed in Syria's Eastern Ghouta in the past 24 hours, the largest single-day death toll in the rebel-held area in nearly three years, according to observers.

Survivors often say they have no words to describe tragedies. But UNICEF, the United Nations' agency that aids the world's needy children, truly had no words Tuesday.

Some stories do not leave you. You cannot forget them long after you tell them. And you wonder, often, how they end.