In this live discussion and Q & A, Brian Greene addresses a wide range of fascinating questions, taken directly from the live chat, and covering a variety of topics, from …

What happened to all of the universe’s antimatter? Can a particle be its own anti-particle? And how do you build an experiment to find out? In this program, particle physicists …

In March 2014, scientists working on the BICEP2 telescope at the South Pole reported an incredible discovery: a swirling pattern in the cosmic background radiation that appeared to indicate the presence of gravitational waves.

Do your friends call you a control freak? Well then, you’re in good company. Learn more about the #scientist known as the “Maestro of the Miniscule” who used atom manipulation …

For all their historical tensions, scientists and religious scholars from a wide variety of faiths ponder many similar questions—how did the universe begin? How might it end? What is the origin of matter, energy, and life?

National Geographic Society Explorer-in-Residence Dr. Sylvia A. Earle is an oceanographer, explorer, author, and lecturer who has been called a “Living Legend” by the Library of Congress and “Hero for …