Giant clams, some of the largest mollusks on Earth, have long fascinated scientists. These impressive creatures can grow up ...

And that shell comes in all different sizes. There are small clams, like these, which are often used for cooking. And then there are giant clams, which can grow more than a meter long and weigh as ...

Protection under the Endangered Species Act is an important step toward helping the species rebound.” Giant clams — the largest grow to a shell length of 54 inches and weigh nearly 500 pounds — live ...