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 have gotten the best estimates yet of exactly how much baleen whales, the largest animals on the planet, can consume in one day. Their caloric intake is mind-boggling.
A photo of a real-life sponge and starfish hanging out together delighted the internet. But "the reality is a little crueler than perhaps a cartoon would suggest," says the researcher who posted it.
Nature has taken over this onetime penal colony turned national park, surrounded by waters popular with divers for their sharks, rays and whales. A resort manager calls it a "mini-Galápagos."
A new study from the Florida Keys shows that a lot of the stress on corals comes from local sources, providing hope that community action can help save them.
Sightings of baby mantas are rare, but the Flower Garden Banks Marine Sanctuary appears to be a safe playground for newborns to adolescents.