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

Anaconda footage from the Amazon forest in a Nat Geo series shows scientists sampling a giant Green anaconda, tied to a proposed new species.

Scientists hope understanding coyote widowhood will someday help humans in their own grief. A pair of coyotes (Canis latrans) in Griffith Park, Los Angeles. Unlike most other animals, coyotes have ...

A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem. Long absent from Argentinian Patagonia due to over-hunting, pumas have returned ...

The twins were born to a 22-year-old female named Mafuko, who lost her own mother to armed individuals. The extremely ...

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

Bernardo Quieroz, a manager at the Mercedes-Benz Oceanic Lounge, which led the tour, suspected it might be orcas. While filming the boat, he noticed three of the marine mammals swimming alongside the ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...

Rare attacks helped brand the cassowary as deadly, but habitat loss and human activity now pose a far greater threat to the bird’s survival. A southern cassowary stands on a beach at Etty Bay in ...

In the rugged terrain where Mexico and the United States meet, a border wall is just the latest obstacle fragmenting habitats ...

These 10 standout images were among thousands of stunning submissions in National Geographic’s Your Shot Pictures of the Year ...

Picture an animal that huddles up with others when stressed, babysits its young, hangs out around relatives, and gathers in big groups every year. Did you imagine a rattlesnake? For a long time, ...