If you’ve gotten goosebumps when hearing a story about a stranger’s selfless heroism, or you’ve felt your chest swell at a concert, when the audience’s voice and the musician’s instruments align, you have felt awe. And, according to professor Dacher Keltner, who has spent his life studying it, it’s one of humankind’s most unifying traits:

“There would be something very, very empty and meaningless about [a] sort of life with no problems.”

From neuroscience to philosophy, experts reveal why compassion may be the most important human skill we have.

Physicist Daniel Whiteson challenges the notion that all intelligent species would eventually uncover the same laws of nature. Do you agree?

Reading classic books can teach you as much about the present as the past.

“The idea is that we move from a place of wanting the world to conform to what we like [towards] not needing other people to be different from who they are.”

The planet, the Solar System, and the galaxy aren't expanding. But the whole Universe is. So where does the dividing line begin?