The Ebola virus now threatens to infect more than a million people by the beginning of next year. As the emergency grows, United States and world leaders are joining together to fight the illness.
President Barack Obama has called on the international community to help combat the deadly Ebola virus in West Africa.
It's a big week at the United Nations, with leaders addressing the Ebola crisis in West Africa among other issues.
The hundreds of thousands of people committed to fighting climate change left mounds of garbage in the wake of their weekend protest march through New York City.
The number of Ebola cases could hit 21,000 in six weeks if efforts to combat the deadly disease are not ramped up, the World Health Organization warned.
NASA's Near Earth Objects program isn't doing its job too well, according to the agency's inspector general.
Sierra Leone is enforcing a three-day lockdown in an emergency measure to fight the Ebola epidemic.
Artificial sweeteners could set the stage for diabetes in some people by changing the way their bodies handle sugar, according to a preliminary study by researchers in Israel.
Nebraska Medical Center doctors say American missionary Rick Sacra is expected to make a full recovery from the Ebola virus he's been battling.
America's waistlines have been expanding rapidly in the last decade, according to the Centers for Disease Control and Prevention