Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...

Francis Horne, a biologist who studies shell formation at Texas State University, offers this answer. The exoskeletons of snails and clams, or their shells in common parlance, differ from the ...

Chalk and seashells are made of the same stuff. So why is one crumbly and the other tough? If you know that seashells are made of basically the same stuff as chalk, you might have wondered why chalk ...

I had to smile when this question was posed because seashells have long been a passion of mine, and I still receive great pleasure from the cabinet where I display the shells I gathered over the years ...

A beach day? (S)hell yeah! Everyone has their own idea of the perfect travel souvenir—some pocket postcards, others stock up at duty-free stores. And then there are the shell seekers. If you fall into ...