What is color? It seems like a simple question at first, but when you think about it, the reality of what we’re seeing is a pretty complex situation. Our human eyes sift through a small piece of the vast electromagnetic spectrum and translate it into every color of the rainbow.

Winner of the 2011 Nobel Prize in Physics, Saul Perlmutter joins Brian Greene to discuss how new and upcoming space telescopes have the capacity to revolutionize our understanding of the …

Do we make conscious decisions? Or are all of our actions predetermined? And if we don’t have free will, are we responsible for what we do? Modern neurotechnology is now allowing scientists to study brain activity neuron by neuron to try to determine how and when our brains decide to act.

Immanuel Kant, who coined the term genius in the 1700s, defined it as the rare capacity to independently understand concepts that would normally have to be taught by another person. Since then, the spectrum of abilities that we call genius has widened, but pivotal questions remain: What exactly is genius?

Looking millions of light-years into deep space requires a special kind of glass telescope. Prior to the 1980s telescopes were limited in size and too heavy to follow the motion …

Cosmology is the one field in which researchers can—literally—witness the past. The cosmic background radiation, ancient light streaming toward us since the Big Bang, provides a pristine window onto the birth and evolution of the universe.