Earth’s hadal zone includes marine regions 19,700 to 36,000 feet (6,000 to 11,000 meters) below sea level. The reference to the Greek god of the underworld, Hades, is not coincidental—these ...

The hadal zone, as scientists call it, is located in the ocean trenches, more than 6,000 meters below the surface. This ...

Beneath the ocean’s surface, at depths where sunlight cannot reach, lies one of Earth’s most mysterious frontiers: the hadal zone. Stretching from 6 kilometers (3.7 miles) down to nearly 11 ...