Plates: Massive rocks that make up the outer layer of the Earth’s surface and whose movement along faults triggers earthquakes ...

April 28, 2026 Dear Academy Community, Today we shared the difficult news with the Academy’s team that we would be implementing a round of staffing and budget reductions to address our recurring ...

Spark: The Universe in Us is about our deep connection not just to Earth, but to stars millions of light years away—and billions of years in the past. Start your journey by soaring over a stunning ...

Over the past few years, Marine Mammal Stranding Network – West Coast Region responders have had difficulties responding to stranded animals on beaches with nesting endangered bird species, ...

Scientists have come to understand a great deal about the evolution of skulls by studying the fossil record. They know that prior to about 500 million years ago, no creature possessed a skull. Over ...

An electronic journal published by the California Academy of Sciences ISSN 1545-150X [CD-ROM] The series, Annotated Checklists of Fishes, beginning 2003, serves to provide the most up-to-date ...

The Academy is open for members only every Tuesday from 8:30-9:30 am and Sunday from 10-11 am. 9:30 a.m. Cal Academy opens at 9:30 a.m. Mon.–Sat. and 11 a.m. Sun. 10:30 a.m. Learn about our ...

Entomology research at the Academy is vital because insects and arachnids make up four-fifths of all the world's species. Learn from our entomologists!

How does a food web show the connections among living things? What do the connections in the web represent? What is the ultimate source of energy for this food web? What is the difference between a ...

This activity works best if the worksheets with the planet names are placed side-by side on a table, and are arranged to match the order from the Sun. In front of these sheets place the instruction ...

Class Myxini Order Myxiniformes Family Myxinidae Rafinesque 1815 (hagfishes) Subfamily Rubicundinae Fernholm, Norén, Kullander, Quattrini et al.

The Institute for Biodiversity Science and Sustainability at the California Academy of Sciences is at the forefront of efforts to regenerate the natural world through science, learning, and ...