The White Helmets rescue people in Syria.WATCHLIST

Dear Assad, Here's Why The White Helmets Matter To Syria

Whether they're pulling people out of the rubble or putting out fires, the White Helmets are saving lives.

A girl learns self defense in Malawi.

Self-Defense Classes Could Help Kids Kick Sexual Assault In Africa

A doctor prepares to give a vaccination to a child at a hospital on Children's Immunization Publicity Day.

Measles Has Officially Been Eliminated In The Americas

Ukrainian officials inspect wreckage thought to be from Malaysia Airlines Flight 17.

New Evidence From The MH17 Crash Points More Fingers At Russia

It's 2016 and the wage gap between white and black Americans is still widening.

The Wage Gap Between White And Black Americans Keeps Widening

It's wider now than it was in 1979.

Earth as seen from more than 40,000 miles away by NASA's Messenger spacecraft

How Will Mars Crews Cope With Watching Earth Fade Into The Distance?

It's a question we'll answer when we send astronauts to Mars and beyond.