A snorkeler in Australia found a shell tagged with a strangely specific number, kickstarting an online mystery about its ...

The black abalone mollusk (Haliotis cracherodii) is a delicacy in many regions of the world, with fancy restaurant diners ...

California has 44 state symbols, including a state folk dance, dinosaur and mushroom. But Assemblymember Diane Dixon says we need another — an official state seashell. And she says the shell of the ...

Authorities are asking anyone who makes a similar find in Australia to photograph it and contact them. Find out more.

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. The Bay Bay Area-raised host Ericka Cruz Guevarra brings you context and ...

An abalone shell is made of thousands of layers of "tiles" made of calcium carbonate (more commonly known as chalk). A key to the strength of the abalone shell is a protein adhesive that binds to the ...