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

Pythons can tolerate saltwater and freshwater and have been observed swimming in Florida Bay and Biscayne Bay.

Scientists confirm a record-breaking green anaconda in the Amazon, revealing new species clues, surprising sizes, invasive ...

In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose ...

Quick Take Reaching a size 5 times larger than males is a biological benchmark for breeding females. Holding breath for 10 ...

Yellowstone National Park is one of the most famous parks in the United States, but it isn’t usually known for its reptiles. Nevertheless, there are plenty of snakes that live in the park, with some ...

Female praying mantises are notorious for eating their mates during or after sex. Now, scientists have discovered a dwarf mantis species in which males avoid this fate with an elaborate dance ...

Snakes have adapted to climb trees, leap across hot sand, and even swim through water — all without arms or legs. What’s their secret? Mike Bock This corn snake, shown here at the Smithsonian's ...

Scientists recently discovered a new species of green anaconda in the Amazon rainforest. A new Nat Geo series shows the ...

Calakmul remained relatively undisturbed until gum harvesters in Mexico led an American botanist to them in 1931. Here’s what was found in its remnants. Structure II, a pyramid at Calakmul, was ...

Tracking a single male python through protected wetlands led biologists to one of the largest breeding females captured this year.

A recent National Geographic expedition has confirmed the existence of an exceptionally large Green Anaconda, Ana Julia, ...