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Vast Ocean Discovered in Earth's Mantle: Astrobiology Implications

8/28/2025

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Summary

Story summary

Scientists found a vast ocean in the Earth's mantle, three times larger than surface oceans, indicating water may come from the core.
Nearly 70% of Earth's life exists underground, suggesting a complex ecosystem with potential undiscovered microorganisms.
An underwater volcano near Vancouver Island contains a nursery of giant white skate ray eggs, illustrating geological and marine life interactions.
Ongoing research explores the implications for astrobiology and the potential for extraterrestrial life.

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Story summary

Scientists found a vast ocean in the Earth's mantle, three times larger than surface oceans, indicating water may come from the core.
Nearly 70% of Earth's life exists underground, suggesting a complex ecosystem with potential undiscovered microorganisms.
An underwater volcano near Vancouver Island contains a nursery of giant white skate ray eggs, illustrating geological and marine life interactions.
Ongoing research explores the implications for astrobiology and the potential for extraterrestrial life.