MEDFORD/SOMERVILLE, Mass. –Everyone wants to live in the nicest possible house, ideally with regular upgrades. A recent study by biologists at Tufts University's School of Arts and Sciences and the ...

The life of a hermit crab is one of repetition. Find an abandoned snail shell. Live in it. Nom on some flecks of detritus. Grow bigger. Find a slightly bigger shell. Repeat all steps for the rest of ...

Hermit crabs are essential scavengers in the ocean. They may crawl into discarded tires looking for food or shelter, and become trapped and die of starvation. Humberto Ramirez via Getty Images Every ...