Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. I took the message on my answering machine as a challenge: "What are moral values? If you can ...

Moral dilemmas are often undecidable. Which is to say, there are times when we lack solid rational grounds for choosing between two (or more) compelling courses of action. In those moments, after ...

Moral equivalence has two purposes. One is to enable the morally confused to hide their confusion. The other is to enable the immoral to hide their immorality. Here are two examples as applied to the ...

Locust Walk with students in fall, University of Pennsylvania, University City area, Philadelphia, PA, USA. (Photo by: Jumping Rocks/Universal Images Group via Getty Images) In universities across ...