Would you get upset if you witnessed an act of racism? A new study published Thursday in the journal Science suggests many people unconsciously harbor racist attitudes, even though they see themselves as tolerant and egalitarian.

Yes, the FDA approved more medicines in 2008 than the year before. But in terms of sales, a new drug ain't what it used to be.

Dwellings in colonies on the moon one day may be built with new, highly durable bricks developed by students from the College of Engineering at Virginia Tech.

The Department of Health and Human Services (HHS) late this year released its new Physical Activity Guidelines for Americans, calling for adults between the ages of 18 and 64 to exercise moderately (such as brisk walking or water aerobics) for at least two hours and 30 minutes or vigorously (running, swimming, or cycling 10 mph or faster) for at least an hour and 15 minutes weekly.