Intelligent, color-changing, inking squid are some of the largest (and smallest) marine animals in the sea.

New California legislature will protect whales from crab gear, while benefitting the crab fishermen, too.

Here are some tips for observing satellites in the night sky and some information behind the man-made objects.

Bird flu is traveling to Antarctica.

Shark teeth have such distinctive shapes that one tooth can be used to identify a species. Why such variety?

Simulations reveal that our planetary system had a violent past, when giant planets changed their orbits.

A new freshwater crab found at a fish market, a parasitic worm and fish named after President Obama, and more!

We fondly remember the Academy's Norm Penny, the collection manager of entomology—insects and arachnids.

Lower vocalizations can give males an edge in mating by making them appear larger than they truly are.