Masters of disguise, the leafy sea dragon is one of the trickier ocean critters to spot. Here's why these mythical-looking animals dazzle us—and how to take the perfect photo.
The bioluminescent species include the blackbelly lanternshark, southern lanternshark and the kitefin shark, the largest luminous vertebrate ever discovered.
Nominated for Best Documentary, the Netflix film follows the enriching relationship between a man and an octopus, erasing the line between humanity and nature.
Recordings of fin whale songs let a scientist measure the thickness and compactness of layers of Earth’s crust up to about 10,000 feet below the seafloor.