A new study finds that more than 80 percent of people living in cities are breathing unsafe air.
China is telling the United States military to stop gathering intelligence along China’s coast after an incident involving aircraft from the two countries.
A team of researchers say they have developed a new test for Zika virus.
This spring marks the 400th anniversary of the death of British playwright William Shakespeare.
A science museum in Denver, Colorado is working to increase the number of American girls who grow up to be scientists.
A new report says medical errors are the third-leading cause of death in the United States.
More than a million people around the world have told Frank Warren their deepest secrets.
Doctors in Pakistan are studying two brothers who seem in fine health during the day, but are unable to move when the sun goes down.
The American space agency and private companies are developing vehicles to take humans into low Earth orbit and even farther into space.
South Korean writer Han Kang’s book, “The Vegetarian,” came out in her home country many years ago.