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. Ganges River delta
    Earth

    Fed by human-caused erosion, many river deltas are growing

    By Carolyn Gramling
  2. Yarrabubba crater
    Earth

    A 2.2-billion-year-old crater is Earth’s oldest recorded meteorite impact

    By Erin Garcia de Jesus
  3. Westerb Ghats mountains
    Earth

    Volcanic gas bursts probably didn’t kill off the dinosaurs

    By Carolyn Gramling
  4. Tel Aviv heat wave
    Earth

    2019 was the second-warmest year on record

    By Carolyn Gramling
  5. common murre seabirds
    Life

    The ‘Blob,’ a massive marine heat wave, led to an unprecedented seabird die-off

    By Jonathan Lambert
  6. Notre Dame
    Archaeology

    After the Notre Dame fire, scientists get a glimpse of the cathedral’s origins

    By Emily Conover
  7. Rescuer with koala
    Animals

    Australian fires have incinerated the habitats of up to 100 threatened species

    By John Pickrell
  8. Amazon fire
    Earth

    Wildfires could flip parts of the Amazon from a carbon sponge to a source by 2050

    By Carolyn Gramling

From the Nature Index

Paid Content