A new study finds that more than 80 percent of people living in cities are breathing unsafe air.
A team of researchers say they have developed a new test for Zika virus.
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 lives of rich people seem to be getting better and better.
American scientists announced this week that genetically engineered food is generally safe for humans and the environment.
Researchers have created a backpack that has a computer and medicines in it that can help even untrained soldiers save the lives of wounded troops.
Many people like to use their phones or tablets at night before they go to sleep.
A new blood test can tell doctors whether a person has suffered a concussion up to a week after he or she was injured.
Living among trees, plants and flowers can fill your life with beauty. And if you are a woman, it can also help you live longer.
A French company has designed a camera that recognizes faces and tells people if a stranger has entered their home.