Adolescence is a liminal stage—it is the transitional threshold between childhood dependence and adult responsibility. The hard part is knowing when you've arrived. That questioning sentiment seems ...

The brain has five major structural phases during the human lifespan and doesn't reach adulthood until age 32, a new study suggests. Scientists determined that brain development is defined by four ...

Clare M. Mehta, an Emmanuel College psychology professor, was livid. She was on a committee for hearing graduate students defend their dissertations, and she had planned meticulously to accommodate ...

The division of life into a series of ages or stages can be found in philosophy as far back as Aristotle and in the arts dating to Shakespeare's As You Like It. In the monologue known as "All the ...