In fiction, The Twilight Zone is the middle ground between light and shadow, between science and superstition, between the ...

The scary-looking fish is usually to be found more than a mile below the surface, where little to no light penetrates.

supporting life in the absence of sunlight. The three-year research initiative will focus on deep-sea areas in the Pacific Ocean, including parts of the hadal zone, which extends to depths of ...

Sunlight, the lifeblood of the ocean’s surface, penetrates only to a certain depth—around 650 feet—beyond which the marine world plunges into perpetual darkness. This “euphotic” zone ...

The sighting is rare as the fish typically stays in the depths of the ocean below the sunlight zone. It’s perhaps the first time the fish has been spotted and reported at this depth.