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Boko Haram militants handed over 21 missing Chibok schoolgirls to the Nigerian government Thursday morning, according to a source with direct knowledge of the release.

In October 2015, China decided to overturn its decades-old one-child policy and allow couples across the country to have two children.

Turns out we were wrong; there aren't 200 billion galaxies in the universe.

Three US strikes hit radar sites in Yemen early Thursday, hours after missiles targeted a US warship in the Red Sea, the Pentagon said.

Astronauts on a mission to Mars will be expected to rely on their memory, multitasking and decision-making skills to handle the first manned expedition beyond the moon. But the harmful radiation from galactic cosmic rays throughout their journey could cause them to experience cognitive impairment in these key areas, as well as increased depression and anxiety, according to a new study.

Ken Bone, the nation's favorite undecided voter and sweater icon who won the Internet's heart during the second presidential debate, has sold out. For Uber.

Fierce fighting in the embattled Syrian city of Aleppo has claimed the lives of more civilians -- including children -- on both sides of the front lines in the past 48 hours.

The 2016 Nobel Prize in Literature has been awarded to American singer-songwriter Bob Dylan, for "having created new poetic expressions within the great American song tradition."

Girls' education isn't just a priority for the estimated 62 million young women around the world who aren't in school. It's also a priority for anyone who wants a better world. Take a look at how girls' education has a ripple effect on the rest of us.

For me, education has never been simply a policy issue -- it's personal.

A British film production company has been fined £1.6 million (almost $2 million) after the actor Harrison Ford broke his leg while filming a "Star Wars" movie, according to Britain's Press Association.

Zeinab Sekaanvand is 22 years old. She has lost her unborn child. She has lost her family, who disowned her. She has lost her freedom to prison. And she is soon expected to lose the last thing she has left: her life.

"We cover the children at night when they sleep," said Khalil. His hands were stained black, the air in the entrance to his house thick with smoke.

Embattled Wells Fargo CEO John Stumpf will retire effective immediately, the company announced Wednesday, marking a stunning downfall for one of the banking industry's most powerful figures.

ZMapp, an experimental drug that doctors thought may have helped save lives in recent high-profile Ebola cases, may not have been the key factor in survival, a new study says.

Comcast is being forced to pay the largest fine the FCC has ever levied against a cable operator. Its offense: Charging customers for services and equipment they didn't ask for.

A new phase in the continuing search for life on Mars begins this month -- adding to a fleet of spacecraft probing the Red Planet.

It's another haunting picture of a wounded child from Syria. This one has also gone viral on social media.