A new study finds that more than 80 percent of people living in cities are breathing unsafe air.
Doctors have identified a powerful bacteria that cannot be killed with antibiotics.
Muhammad Ali, “The Greatest” boxer in history, died on Friday at the age of 74.
A new study suggests a majority of U.S. citizens now get their news from social media websites.
American food product manufacturer General Mills has recalled about 4.5 million kilograms of flour.