Mosquitoes have been biting people for more than a million years and probably much longer. An analysis of 38 modern mosquitoes’ DNA suggests an ancestral mosquito species developed a preference for ...

“This research shows that brown recluse spiders aren’t the boogeyman that everyone makes them out to be,” Coticchio said.

Get up close with a spider that may look harmless but could have a bite you don’t want to experience—learn about its risks.

Brazil is considered the most biodiverse country on Earth, with 15%-20% of the world’s biodiversity. The Amazon rainforest, the Cerrado savannas, the semi-arid Caatinga, the coastal Atlantic Forest, ...

Several spider species in the United States are capable of delivering venomous bites that can cause serious medical complications. These bites vary in danger depending on venom potency, bite location, ...

Quick Take Tarantula Species of Australia Tarantula Species of Oceania Beyond the 8.7-inch giants, science is racing to identify 20 mysterious species lurking in the Australian outback. ©A-Z Animals ...

One of the unfortunately drippy spiders. Credit: Ricardo Bassini-Silva. The juvenile spider sat in a glass vials, one of thousands tucked away in the archives of Brazil’s Atlantic Forest collections.

William J. Baerg was a naturalist, entomologist and teacher who served as head of the Department of Entomology at the University of Arkansas, Fayetteville for 31 years. His research on black widow ...