Society for Science & the Public, which publishes Science News, uses cookies to personalize your experience and improve our services. For more information on how we use cookies on our websites, visit our Cookie Policy.
News Earth

Diamonds reveal sign of the deepest water known inside Earth

A type of ice crystal in gems points to liquid existing up to 800 kilometers below the surface

COMPACT CUBE  Researchers discovered ice-VII entombed within a diamond. This cubic form of ice (crystal structure shown) is found only at very high pressures such as those deep in Earth’s interior.

Yadevol/Wikipedia Commons

By Carolyn Gramling

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Earth

  1. Climate

    The loss of ‘eternal ice’ threatens Mongolian reindeer herders’ way of life

    By Carolyn Gramling
  2. kids holding trees to plant
    Climate

    5 things to know about fighting climate change by planting trees

    By Susan Milius
  3. landfill
    Climate

    California landfills are belching high levels of climate-warming methane

    By Carolyn Gramling
  4. filefish
    Earth

    Plastics outnumber baby fish 7-to-1 in some coastal nurseries

    By Jonathan Lambert
  5. honeybee
    Animals

    Power lines may mess with honeybees’ behavior and ability to learn

    By Rachel Fritts
  6. Monsoon season in China
    Earth

    Geology, not CO2, controlled monsoon intensity in Asia’s ancient past

    By Carolyn Gramling
  7. Artisans carving rosewood
    Ecosystems

    Can forensics help keep endangered rosewood off the black market?

    By Edward Carver
  8. Geyserville
    Tech

    Here’s what it will take to adapt the power grid to higher wildfire risks

    By Maria Temming

From the Nature Index

Paid Content