24 Results for

earth's crust

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Scientists find oddly behaving 'inner-inner core' at Earth's center

Using the coda waves from earthquakes, geologists have discovered that our planet's core isn't quite what we thought it was.

By February 10, 2015

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What Google's doodle about Inge Lehmann is all about

One of the 20th century's leading seismologists was a Danish woman who transformed our understanding of one of Earth's deepest mysteries.

By May 13, 2015

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8 possible explanations for those bright spots on dwarf planet Ceres

It's a real-life mystery cliffhanger. We've come up with a list of possible reasons a large crater on the biggest object in the asteroid belt looks lit up like a Christmas tree.

By March 4, 2015

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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

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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

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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

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MAVEN blasts off to Mars on $671 million mission

NASA's Mars Atmosphere and Volatile Evolution -- MAVEN -- spacecraft starts a 10-month voyage to the Red Planet to study how the martian atmosphere has changed over time.

By November 18, 2013

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Watch Russian meteorite's impact via security cam

Moments after exploding with the energy of an atomic bomb in the skies over the city of Chelyabinsk, the space rock quietly let itself into a lake outside of town, not far from the watchful eye of a security camera.

By November 15, 2013

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Insult someone on Twitter or Facebook? A crime in Grenada

Lawmakers on the island of Grenada are tired of online "mischief." So they've banned it. How might this affect the nation's discourse?

By June 29, 2013

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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