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. Aerial photo of Florida Keys
    Animals

    The U.S.’s first open-air genetically modified mosquitoes have taken flight

    By Susan Milius
  2. image of the Gwydir River
    Climate

    Rivers might not be as resilient to drought as once thought

    By Carolyn Gramling
  3. divers testing coral disease treatments
    Animals

    A common antibiotic slows a mysterious coral disease

    By Cassie Martin
  4. Mangrove trees in Mexico's Cristalino Cenote
    Climate

    Mangrove forests on the Yucatan Peninsula store record amounts of carbon

    By Carolyn Gramling
  5. Tengchong Yunnan hot springs in China
    Microbes

    These climate-friendly microbes recycle carbon without producing methane

    By Carolyn Gramling
  6. soybean plant leaves infected with Fusarium virguliforme fungus
    Agriculture

    Nanoscale nutrients can protect plants from fungal diseases

    By Shi En Kim
  7. Lightning storm in Texas
    Earth

    Lightning may be an important source of air-cleaning chemicals

    By Maria Temming
  8. aerial image of melting glaciers in the Andes mountains
    Climate

    Climate change may have changed the direction of the North Pole’s drift

    By Sid Perkins

From the Nature Index

Paid Content