Tag: earth

Types of volcanoes

A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to...

Grain size of rocks in Earth’s mantle affects tectonics

The planet is shaped by forces deep within its interior. These push the plates of the Earth's crust against each other, causing mountains and...

Earliest record of wildfires provides insights into Earth’s past vegetation and oxygen levels

While wildfires over recent years have raged across much of the western United States and pose significant hazards to wildlife and local populations, wildfires...

Did meteorites bring life’s phosphorus to Earth?

Meteorites that crashed onto Earth billions of years ago may have provided the phosphorous essential to the biological systems of terrestrial life. The meteorites...

Puzzling features deep in Earth’s interior illuminated

New research led by the University of Cambridge is the first to take a detailed image of an unusual pocket of rock at the...

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,...

Scientists announce a breakthrough in determining life’s origin on Earth—and maybe Mars

Scientists at the Foundation for Applied Molecular Evolution announced today that ribonucleic acid (RNA), an analog of DNA that was likely the first genetic...

New mapping technology to discover Earth’s resources

For years, scientists have tried to understand the structure of the Earth. One of these scientists is University of Twente geophysicist Dr. Juan Carlos...

How plate tectonics, mountains and deep-sea sediments have maintained Earth’s ‘Goldilocks’ climate

For hundreds of millions of years, Earth's climate has warmed and cooled with natural fluctuations in the level of carbon dioxide (CO₂) in the...

Scientists shine new light on role of Earth’s orbit in the fate of ancient ice sheets

In a new study published today in the journal Science, the team from Cardiff University has been able to pinpoint exactly how the tilting...

Largest asteroid to approach Earth in 2022 will zoom past our planet this week

A "potentially hazardous" asteroid measuring more than a mile long will zoom past Earth this week, the largest asteroid expected to get relatively close...

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