Back to today’s briefing

Story perspectives

Massive Underground Ocean Discovered, Redefining Earth's Water Origins

4/19/2025

42 6

Summary

Story summary

A groundbreaking discovery reveals a colossal underground ocean, three times the size of all surface oceans, nestled 700 kilometers beneath the Earth's crust. This hidden water, trapped in ringwoodite, hints that our planet's water may have originated from deep within, potentially transforming our understanding of Earth's water cycle and geological past.

1 of 1

Story summary

A groundbreaking discovery reveals a colossal underground ocean, three times the size of all surface oceans, nestled 700 kilometers beneath the Earth's crust. This hidden water, trapped in ringwoodite, hints that our planet's water may have originated from deep within, potentially transforming our understanding of Earth's water cycle and geological past.