These programs focus on: Was there a beginning? Whether we are alone? What's the future of the cosmos? <br /> What is the nature of reality? Why Are We Here? <br /> With each advance, new questions come into sharper focus. The key issue is what we still don't know. <br /> Everything you thought you knew about the universe is wrong. It's made of atoms, right? Wrong. Atoms only account for a measly 15% of everything that exists. The mass of the universe consists of something so mysterious and elusive that it has been dubbed 'dark matter'.
