Earth's yellow sun is the source of its power.
E. coli bacteria are all over our skin -- why not modify them to help us out?
Sometimes our biggest fear is not knowing what to fear most. Fortunately, the weird science of risk analysis can teach us to judge better and fear smarter
One might change the way we treat cancer for good.
High-tech health care isn't just for hospitals. For some of the most innovative advances soon to come, check your bathroom
Every day we're exposed to thousands of man-made chemicals, some of which seep into our bodies and remain there for decades. What that means for our health, we don't fully understand--but I subjected myself to a battery of new tests in search of answers
To block the rays damaging clothes or outdoor furniture
New research uncovers unusual benefits of vitamin D
Examining 8 promising methods of male contraception in development. Happy Father's Day!
Tiny nanoparticles are a huge part of our lives, for better or for worse.
Science of the Union.
A state-by-state breakdown of policies that could change your community.
This mobile-phone system helps you choose a sunscreen and tells you when to reapply
We visit operating rooms, observatories, and islands full of slightly-less-than-rational monkeys to find the young geniuses who are shaping the future of science
A new test for HPV has been cleared as way to screen for cervical cancer, but doctors are concerned that it doesn't do enough to protect younger women.
Does red wine make you live longer? Do bras cause cancer? Is sugar as addictive as cocaine and heroin? We uncover what headline-grabbing scientific studies really mean for your health
Doctors seek inspiration from unexpected sources to work toward solving some of medicine's toughest challenges
HPV vaccines have always been advertised as protecting women, but a new study shows they also work against an infection that causes a throat cancer that's much more common in men.
How the presidential candidates get science wrong
Experts go head to head on the issue of nanotech safety
Bill Andrews has spent two decades unlocking the molecular mechanisms of aging. His mission: to extend the human life span to 150 years--or die trying