The American doctor who was infected with the virus while doing missions work in Liberia is showing signs of improvement at an Atlanta hospital.
Scientists say an extreme solar storm, believed to be the most powerful in at least 150 years, barely missed planet Earth two years ago.
It's not just American people who are overweight. Many of America's pets have the same problem, leading to a rise in "fat camps" for fat pooches and felines.
Hailing a cab is only a click away in many cities. The smartphone app, "Uber," may be speeding to the top in customer satisfaction, but it's hitting legal speed bumps.
Severe obesity can cut lives short by up to 14 years, according to a new study by the U.S. National Cancer Institute.
Moms who are hot to stop global warming came with their kids to ask Congress Wednesday to get behind whatever measures are needed to fight climate change.
The amount of Antarctic sea ice reached an all-time high last week, confounding climate change computer models.
Psychologists say forgetting a child in a hot car can happen even to responsible parents. One couple is helping educate the public after suffering their own tragedy.
One in 10 working-age Americans die from causes related to drinking too much alcohol, according to a new report from the CDC.
A new 3-D mammogram appears to be working better than the traditional mammogram.