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 ...

Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

What was everyday life like for French Polynesians in the 19th century? An archaeology team co-led by the University of Sydney's Associate Professor James Flexner sought to find out during fieldwork ...

Healthy corals are colorful and full of life. And under normal conditions, corals and algae depend on one another. The corals offer the algae protection and the photosynthesizing algae provide the ...

It is virtually impossible for a prospective Magellanic penguin mother to find or build a soft spot to lay her eggs. So it turns out that her eggs come with extra-thick shells to withstand being laid ...

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

A day lasted only about 23-and-a-half hours. The Earth turned faster than it does today. The new study used lasers to sample tiny slices of a mollusk's shell and count the growth rings. When dinosaurs ...