Though many animals display cooperative behavior, human cooperation is distinct. Alan Alda hosts E.O. Wilson, Sarah Hrdy and other leading evolutionary biologists, anthropologists and humanitarians as they examine the origins and evolution of human cooperative behavior.

Are we alone? It’s a question that has obsessed us for centuries, and now we have the technology to do more than wonder. Scientists on the hunt for distant planets and extraterrestrial intelligence explore faraway galaxies and barely visible realms.

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 …

Rattlesnakes, cobras, alligators, and a huge collection of venomous reptiles come with lots of risks in the daily life of herpetologist and reptile keeper Matt Lanier. Meet some of these …

A NASA scientist prints 3D homes on Mars. An anthropologist solves mummy mysteries. An engineer tests new toys every day. What do these people have in common? A science job! Meet them all (and more) during this interactive event that gives everyone the chance to try each cool job for themselves.

On July 4, 2012 the champagne flowed. The elusive Higgs boson—the fundamental particle that gives mass to all other particles—had been found. After generations of work, the last puzzle piece …