A close-up video of a tarantula building an egg sac has captivated Reddit, offering a rare look at a behavior most people ...

"I was genuinely tense wondering whether the little guy was going to be allowed to just walk away afterwards." ...

As tarantula mating season is winding down around La Junta, Halloween season is ramping up. KRCC’s Shanna Lewis spoke with arachnologist Paula Cushing of the Denver Museum of Nature and Science ...

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 subgroup of air-breathing, terrestrial (land) arthropods, spiders are not actually insects but rather belong to the Class Arachnida (a.k.a. arachnid). Besides spiders, other arachnids include ...