Back to today’s briefing

Story perspectives

Ancient Water and Ice Unlock Secrets of Earth's Past

11/2/2025

28 5

Summary

Story summary

Scientists discovered water sealed for 2.6 billion years deep in a Canadian mine, actively bubbling from the rock.
The finding reveals insights into Earth's deep biosphere and the persistence of life in extreme conditions.
In Antarctica, researchers retrieved ice cores dating back 6 million years from Allan Hills.
These cores allow scientists to reconstruct Earth's atmospheric history.

1 of 1

Story summary

Scientists discovered water sealed for 2.6 billion years deep in a Canadian mine, actively bubbling from the rock.
The finding reveals insights into Earth's deep biosphere and the persistence of life in extreme conditions.
In Antarctica, researchers retrieved ice cores dating back 6 million years from Allan Hills.
These cores allow scientists to reconstruct Earth's atmospheric history.