One of them was Carl Jung, who proposed psychological “types” that inspired the popular test known as the Myers-Briggs Type Indicator. Are psychoanalytic theories of personality still used?

Some agree with this stark view, some don't. Others have tried to argue that developments such as chaos theory tell us that new kinds of laws come into play when the level of complexity of a ...

Ever heard of a nice, happy-g0-luck theory? Now you will. This podcast covers all kinds of theories including one that says Taylor Swift is a clone of a former satanic church priestess ...

By breaking theories into pieces and comparing like with like, the scientists realized that certain kinds of experimentation can answer several questions at once across the different theories.

Fans have all kinds of theories about how Hillary and Paul could aid Alexandra, and more than a few about how they might do her dirty. The best guesses made this week's preview video. "Future ...