The spider, the second in its genus, is only found in the Columbia River Gorge, that separates Washington and Oregon.

But the team from the Forest Research Institute and the Regional Museum of Natural History discovered the new spider species, ...

The happy-face spider was thought to be unique to Hawaii – until now.

Scientists uncover UV-fluorescent crowned crab spider and other previously unknown species during landmark biodiversity ...

Ecologists Andrew Davis and Benjamin Frick have crisscrossed the United States studying everything from monarch butterflies to house finches. But when a giant, neon-yellow spider arrived in the U.S.