My night musings often drift to deep truths of existence: thoughts on cosmos, consciousness, meaning (if any). I can't help it. That's why I'm entranced by the idea of a multiverse, the theory that ...

Robert Lawrence Kuhn is the creator, writer and host of "Closer to Truth," a public television series and online resource that features the world's leading thinkers exploring humanity's deepest ...

One of GTTV's world exclusives during last night's broadcast was this Portal 2 trailer for the next free batch of DLC, the Perpetual Testing Initiative. The DLC allows players to create their own ...