"Avatar 3" director James Cameron unpacks "Fire and Ash" spoilers and why it's unlikely you'll see a fourth and fifth movie ...

The great raft spider, one of Europe’s largest native spiders, has made an extraordinary comeback after being on the brink of extinction.

Discover the history and function of knuckle-busters, manual devices once essential for recording credit card transactions, and how they compare to modern solutions.

Discover when globalization began, from ancient trade routes to modern economic policies, and understand its impact on global trade and cultural exchange.