The behavior, which had never been observed before, stunned scientists as, typically, the larger house spider would prey on ...

A pitch-black cave in the Balkans is home to what researchers say is a singular work of cooperation by two usually-hostile ...

Black widow spiders can stir primordial fear — they lurk in dark corners and their venom can cause excruciating pain, and in extremely rare occasions, death. But they seem to be no match for their ...