There's a 2-mile-long crack in the desert of Arizona. At 10 feet wide and up to 30 feet deep in some parts, it is the largest of its kind. It continues to grow. Follow BI Video: On Twitter More ...

Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird feeders.

A Harris's antelope squirrel amongst the spines of the cholla cactus, where it painstakingly searches for cactus fruit - one of the only sources of moisture around. Whilst filming the amazing ...

Police are looking for a “soulless” driver who abandoned a malnourished dog at the edge of the Arizona desert — with the confused pup caught on camera desperately trying to chase after the ...

Desert tortoises have lived in the deserts of California, Arizona, Nevada and Utah since the Pleistocene. In the early years of the 20th century, they still thrived within the Southwest's arid ...

Their diet typically consists of rodents, small mammals and birds ... can happen faster than you think because of the Arizona desert's low humidity. Rest often when hiking in harsh weather ...

Across the Arizona-Sonora Desert Museum's 98 acres, you'll find 230 animal species – including hummingbirds, coyotes and string rays – along with 1,200 local plant species. Next to the ...

Arizona is home to spectacular deserts, each with unique attributes and rich history Sedona offers spiritual experiences ...

The Arizona Department of Agriculture (AZDA ... over the fall and winter and has been identified in wild birds, mammals and spillovers into domestic poultry, according to APHIS.