Tag: core

Two massive asteroids hit Earth around 35.65 million years ago, but did not lead to any lasting changes in the Earth's climate, according to a study by UCL researchers. The rocks, both several miles wide, hit Earth...
Saudi Arabia is investing in green innovation to transform its deserts, but accusations of greenwashing highlight the challenge of turning ambitious projects into climate solutions. This week, Riyadh is hosting the United Nations COP16 conference on drought...

Bouncing seismic waves reveal distinct layer in Earth’s inner core

Data captured from seismic waves caused by earthquakes has shed new light on the deepest parts of Earth's inner core, according to seismologists from...

What do early Earth’s core formation and drip coffee have in common?

A new technique developed by Carnegie's Yingwei Fei and Lin Wang provides fresh insight into the process by which the materials that formed Earth's...

Earth’s inner core may have started spinning other way

Far below our feet, a giant may have started moving against us. Earth's inner core, a hot iron ball the size of Pluto, has stopped...

New ice core analysis shows sharp Greenland warming spike

A sharp spike in Greenland temperatures since 1995 showed the giant northern island 2.7 degrees (1.5 degrees Celsius) hotter than its 20th-century average, the...

Ice core taken in Antarctica contains sample of atmosphere from five million years ago

A team of researchers affiliated with multiple institutions in the U.S. has successfully pulled an ice core from Antarctica's Ong Valley that contains samples...

The Earth moves far under our feet: A new study shows the inner core oscillates

USC scientists have found evidence that the Earth’s inner core oscillates, contradicting previously accepted models that suggested it consistently rotates at a faster rate...

Seismic waves from earthquakes reveal changes in the Earth’s outer core

In May 1997, a large earthquake shook the Kermadec Islands region in the South Pacific Ocean. A little over 20 years later, in September...

The Earth moves far under our feet: A new study shows that the inner core oscillates

USC scientists have found evidence that the Earth's inner core oscillates, contradicting previously accepted models that suggested it consistently rotates at a faster rate...

Earth’s core: Unexpected flow behavior in liquid metals

Some metals are in liquid form, the prime example being mercury. But there are also enormous quantities of liquid metal in the Earth’s core,...

Earth’s inner core was formed 1-1.5 billion years ago

There have been many estimates for when the earth’s inner core was formed, but scientists from the University of Liverpool have used new data...

Scientists detect unexpected widespread structures near Earth’s core

University of Maryland geophysicists analyzed thousands of recordings of seismic waves, sound waves traveling through the Earth, to identify echoes from the boundary between...

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