Nate Ball’s appetite for invention began with hovercrafts and Tesla coils and led to building his revolutionary ascender that uses a reliable motor to raise rescuers by a rope. These …

The neutrino is among the cagiest of particles, a subatomic wisp so ephemeral it could pass through light years of lead with more ease than a hot knife through butter.

Bestselling author and religious historian Karen Armstrong joined Brian Greene for a conversation exploring humankind’s evolving relationship with the Earth, life, and the cosmos. To save ourselves and the planet, …

Come venture deep inside the world’s biggest physics machine, the Large Hadron Collider. This extraordinary feat of human engineering took 16 years and $10 billion to build, and just weeks ago began colliding particles at energies unseen since a fraction of a second after the big bang.

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.

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 …