The multiverse hypothesis, suggesting that our universe is but one of perhaps infinitely many, speaks to the very nature of reality. Join physicist Brian Greene, cosmologists Alan Guth and Andrei Linde, and philosopher Nick Bostrom as they discuss and debate this controversial implication of forefront research.

The inflationary theory of cosmology, an enduring theory about our universe and how it was formed, explains that just after the Big Bang, the universe went through a period of rapid expansion. This theory has been critical to understanding what’s going on in the cosmos today.

Invention and innovation are the mark of robotics engineer Dennis Hong’s lab. Watch as he demonstrates some of the remarkable robots that his team has built. The robots walk on …

Powerful new genetic tools allow scientists to alter the DNA of any organism—with tests on human embryos already underway. Even more ambitious, synthetic biologists on the verge of creating the genetic material for a living organism from scratch are setting their long-term sites on fashioning a fully synthetic human genome.

Brian Greene and Nobel Laureate Brian Schmidt engage in a wide-ranging conversation covering cosmology, the accelerating universe, and the role of science in shaping our future. This program is part …

The 2020 Kavli Prize In Astrophysics is awarded to Andrew Fabian for his groundbreaking research in the field of observational X-ray astronomy, covering a wide range of topics from gas …