Saguaro cactuses are Arizona's towering icons. However, only one holds the record for being the tallest ever measured. Here's what to know about it.

China’s domestically developed AG600 large amphibious aircraft received its Type Certificate from the Civil Aviation ...

Most boas, which are a type of large, non-venomous constricting snake, prefer a diet of mammals, birds or reptiles. But ...

Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of millions of the butterflies are on an epic aerial journey back north.

While rare, a few birds we studied were rule-breakers. One such rule-breaker is the Eurasian spoonbill, whose highly ...

The find adds to Big Bend NP's long-held reputation as a hotspot for dinosaur fossils. Previous discoveries at the park ...

The harpy eagle — a mythical-looking species thought extinct in Mexico — has been documented in the Lacandon Jungle of ...

A new Andean condor has arrived at the National Aviary, with the hope that he'll play a role in conserving the species.

Riley’s ‘unassisted natural hatching’ was hailed as a win for the Philippines’ efforts in protecting its natural heritage.

Operators of the airport where Jeju Air Flight 2216 crashed in December, killing 179, failed to meet both international and ...