22 Results for

earth's crust

Article

4.4 billion-year-old crystal points to chill early Earth

A pretty bit of blue zircon dating back billions of years to the formation of the Earth's crust may be one of the oldest pieces of the planet.

By February 24, 2014

Article

Is the Earth's core as hot as the sun?

Scientists have taken new measurements that suggest that the core of the Earth burns at 6000 degrees Celsius — as hot as the surface of the sun.

By April 30, 2013

Article

Digging for rare earths: The mines where iPhones are born

How are these unusual minerals extracted from the ground and why is that process an environmental risk? CNET's Jay Greene explains.

By September 26, 2012

Article

Journey planned to the center of the Earth

Fifty years after the first attempt, scientists aim to retrieve samples from the Earth's mantle. Such a feat could provide a trove of information about our planet's origins and history.

By March 29, 2011

Article

Particles on Saturn's moon indicate liquid salt water (photo)

NASA says its Cassini spacecraft has discovered the best evidence yet for a large salt water reservoir beneath the icy crust of Saturn's moon Enceladus.

By June 22, 2011

Article

Why some global warmth is a very good thing

Continents floating on hot molten Earth's core.

By June 25, 2007

Video

Seismology turns to high tech

NASA works with the U.S. Geological Survey to track and understand the Earth's restless crust. This video from NASA and the Jet Propulsion Laboratory traces the progress of seismology since the 1906 quake.

November 1, 2007

Article

Mining lithium from geothermal 'lemonade'

Simbol Mining aims to extract minerals and metals from brine deep beneath the earth's surface.

By February 28, 2008

Article

Extraordinary earthquake lights explained -- they're not UFOs

The rare and colorful lights sometimes seen before major earthquakes could come from electric charges in certain types of rock.

By January 6, 2014