As a country, the U.S. produces the most trash on earth. Where does your garbage go?
Civilizations rise and fall. Why do they disintegrate? Is it better to live a "civilized" life?
Researchers explore how we remember, what we remember and why we forget.
See how it works: A newly-discovered chemical compound that emits light.
A new drug shows promise for women who lack sexual desire.
Astronomers recently found the largest planetary ring in the solar system swirling around Saturn.
Like a chain, the body is only as strong as its weakest link.
Our ancestors may have begun warming the planet 8,000 years ago.
The Learning Barge has gone from concept to classroom.
Less stress for medical students, tests for toddlers and the power of popularity among teens.
Hills seem less steep if you have a friend by your side.
Watch a video that shows how researchers change perceived gender with video conferencing software.