A rarely witnessed congregation of American alligators was recorded in southeast Georgia’s Okefenokee Swamp, and researchers are trying to figure out why it happened.

Emily gets super nerdy with former host Maddie Sofia get as they dive into the incredible world of nudibranchs in this encore episode. Not only are these sea slugs eye-catching for their colors, some of them have evolved to "steal" abilities from other organisms — from the power of photosynthesis to the stinging cells of their venomous predators. These sea slugs are going to blow your mind!

You can email Short Wave at shortwave@npr.org.

This spring, as manatees migrate to Georgia and sea turtles spend more time at the water’s surface, the Georgia Department of Natural Resources is asking boaters to be cautious.

The pickle-shaped bottom feeders may reduce the amount of microbes on the seafloor that could potentially sicken coral, scientists suggest

California sea otter populations have rebounded in recent decades. New research finds that by feasting on shore crabs, these otters are helping to protect their coastal marsh habitat against erosion.

The ancient extinct shark that starred in the film The Meg is thought to be the largest shark that ever swam the Earth. But there's debate over what it really looked like.

The National Oceanic and Atmospheric Administration released details about the injury Wednesday.

The vehicles are the latest retired vessels added to Artificial Reef L, about 23 nautical miles east of Georgia's Ossabaw Island. They joined battle tanks, barges, tugboats and concrete objects about 65 feet beneath the ocean's surface.

Cephalopod Week is the annual celebration of octopi and the like.  As part of this year's celebration, Science Friday partners with GPB to salute the ocean's super-smart invertebrates on June 28.

The California two-spot octopus can edit the RNA in its brain to produce different proteins as ocean temperatures fluctuate, a new study finds.

Sharks are ectotherms and their internal body temperatures usually reflect the waters they swim in. Holding their breath helps them function in the frigid deep.

A study of plastic trash hauled out of the Pacific Ocean found that most of it had been colonized by coastal life that was thriving right next to species that normally live in the open sea.

New research suggests that vocal fry among toothed whales is what gives them the ability to echolocate, hunting down their prey with the loudest sounds produced by any animal on the planet.

Orca moms spent precious resources feeding their fully grown adult male offspring. A new study finds that this may limit how many more young they produce.

Scientists aboard the sailboat Song of the Whale conduct research on the critically endangered species.