A collection of fossil shells from marine snails and clams is challenging a theory that says the world's deadliest mass extinction was accompanied by severe ocean acidification. Instead of showing ...

In hydrothermal vent fields, a small snail evolved an iron-reinforced shell. Here’s how it challenges assumptions about nature’s toughest composites. A snail might seem an unlikely contender for the ...

Over the past two decades, the Gulf of Maine has become a popular landing spot for invasive species from across the world, says Geoffrey Trussell, an evolutionary biologist and professor at ...