A team of researchers at Virginia Tech has discovered a 550 million-year-old sea sponge fossil, which can help fill a critical 160 million-year gap in the fossil record. Million of years old sea ...

A pink sponge, photographed at an aquarium today, is not unlike one of the first life forms that appeared in the Precambrian era. Photograph by Joel Sartore, National Geographic Photo Ark The ...

This was the substance used for the first kitchen sponges, which replaced dishwashing rags. Most modern kitchen sponges are ...