Spider egg sacs (not "egg sacks") are small, round or teardrop-shaped bundles made of silk. They're often white, cream or pale yellow. These sac of a common house spider is typically about the ...

The black and yellow-mottled female garden spiders look especially fetching ... behavior during the fall as they try to protect the eggs attached to their cobwebs. However, people and pets ...

An American and a Japanese were among people who helped identify the mystery spider sac photographed by a Singaporean. Read ...