Is human existence meaningful? If so, what gives life meaning? Or, as some existentialists such as Jean-Paul Sartre assert, is life inherently meaningless? If so, how does one live and find ...

Below, Arthur Brooks shares five key insights from his new book, The Meaning of Your Life: Finding Purpose in an Age of Emptiness. Brooks is a social scientist and professor at Harvard University, ...

"People say that we’re searching for the meaning of life. I don’t think that’s it at all. I think that what we’re seeking is an experience of being alive, so that our life experiences on the purely ...

What are the physics of life? That is more than just a philosophical question—it has practical implications for our search for life elsewhere in the galaxy. We know what Earth life looks like, on a ...