In the ocean's twilight zone, where the reach of the Sun fades to nothing, an epic migration begins every time night falls. It could also have an outsized effect on our climate.

Scientists have discovered that deep-sea mining plumes can strip vital nutrition from the ocean’s twilight zone, replacing natural food with nutrient-poor sediment. The resulting “junk food” effect ...

You think you know what "cute" looks like? Prepare to have your understanding shattered. Because lurking in one of the ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

A research expedition off the coast of Brazil has documented more than 30 new deep-sea species, from translucent worms to ...

These real-life ocean animals were so terrifying to seafarers that they became embedded in history as legendary sea monsters ...