Scientists at the University of California, Davis, have discovered a new species of trapdoor spider lurking in California’s coastal sand dunes. The newly identified Aptostichus ramirezae is a close ...

In a rare instance, science gets in sync with the Holiday season. Scientists at the University of California, Davis, discovered a new species of spider a few days before Halloween. The trapdoor spider ...

UC Davis scientists uncovered Aptostichus ramirezae, a new trapdoor spider species living under California’s dunes. Genetic analysis revealed it was distinct from its close relative, Aptostichus simus ...

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Each year, thousands of Americans experience spider bites, yet only a small fraction require medical intervention. Understanding which encounters demand immediate attention and which can be treated at ...

Rattlesnakes and black widows are venomous and live in Redding, California. These animals usually only bite in self-defense or to protect their young. If bitten, seek immediate medical attention.