In a new series from National Geographic, the actor travels the world—and rethinks what it means to pursue a life well lived.

The newly named northern green anaconda or Eunectes akayima is reportedly the largest in the world, capable of exceeding ...

In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose venom may yield new life-saving drugs.

In order to understand the massive changes afoot in the warming polar regions, oceanographer Allison Fong is hunting for the ...