These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

The fish was found at 200 to 2,000 meters below the surface. At least 16 types of recently discovered deep-sea fish are among the darkest creatures ever found, according to a study published Thursday.

Fish that survive in extreme deep-sea environments have developed the same genetic mutation despite evolving separately and at different times, researchers say. The scientists also found industrial ...

The deep sea, covering approximately 65% of Earth's surface, has long been considered a biological desert. In this extreme environment—particularly in the hadal zone at depths greater than 6,000 ...

New research sheds light on the overlooked contribution of the ocean’s most abundant fish to marine carbon cycling. The findings open new avenues for studying deep-sea carbon dynamics and may improve ...