This invasive spiderling is floating its way along the East Coast of the U.S., and scientists are left wondering just how much damage they might cause.

The hiker was rescued while attempting the Kalalau Trail, a challenging 22-mile round-trip trek from Ke’e Beach to Kalalau Beach. The 22-mile round-trip trek offers the only access to the rugged ...

A bite from this arachnid won't give you as many problems as black widow bites, but it's still no fun. [Shutterstock/Courtesy] ...