This story was originally published August 2017. Maybe collecting shells is a favorite pastime of yours, but you don’t know which is a moon snail and which is a mud snail. Or, you’re walking along the ...

The tiny, pale surf clam about the size of a fingernail that most people have seen and collected on beaches around the world holds clues in its shell to Earth's past. For the first time, researchers ...

Most people think of clams as a gooey blob inside of a two-piece shell, but there’s actually a lot more going on inside that shell that you might come to expect. While it’s true that a clam is rather ...