But what happens after the last eye-popping rendering of the Milky Way fades from viewers' flat-screens and Tyson's teardrop-shaped starship sails off into the distance? Where do folks turn who — like ...

Brian Greene is interested in the big questions: "What is space? What is time? What are the fundamental laws that govern the universe?" Philosophers, poets and mathematicians are among those who ask ...

Popular physicist Brian Greene just opened the virtual doors to his World Science U, a resource for those who want to know more. Commentator Adam... By now you've probably heard about Neil deGrasse ...