Venezuelan tarantulas have adapted to fill many different ecological niches. Learn more about the nearly 50 spiders native to ...

Chris Hamilton and Brent Hendrixson met someone unexpected in the mountains of Southeastern Arizona: a leggy redhead with a taste for cold weather. The two researchers discovered a new species of ...

VIDEO: Only one makes it out alive.

There are over 50 species of tarantula native to Argentina. Learn more about them in our complete list of tarantula species in Argentina ...

Just before sunset, as baseball-sized tarantulas cross the road at Colorado’s Southern Plains Land Trust, two biologists quietly exit their car to scoop up a few of these eight-legged pedestrians.

A sushi chain owner is accused of harboring about 25 undocumented immigrants in "stash houses" in the Phoenix area, according ...

PHOENIX — Gov. Katie Hobbs won’t use her power to direct the state Department of Transportation to scrap a proposal that could put a new interstate highway next to Tucson Mountain Park and through a ...

WASHINGTON— The Center for Biological Diversity formally petitioned the U.S. Fish and Wildlife Service today to list the Malaysian purple-femur tarantula as endangered under the Endangered Species Act ...

A dog is getting a new leash on life thanks to a man who rescued him from a remote area in Yuma.