"Changes in social behavior during adolescence... are not triggered by puberty, so we can't blame the hormones...."

Well-child visits are not only good for babies. A new study shows they're good for moms, too.

College students who think their parents are more accepting of drinking tend to drink more, a new study shows.

Scientists are close to being able to use precision medicine to make sure arthritis patients are taking the most effective drugs.

The rise of Tharsis, the solar system's largest volcanic system, may be linked to oceans on Mars. But it's still just a theory. The next Mars lander, due for launch in May, could help find an answer.