What are the longest rivers in the world?

There are many long rivers in the world, but which ones are the longest? Naturally, there is a disagreement over the answer to this question. While The Nile has traditionally been considered to be longest in the world, the ...

Cavers find snakes but no genies in Yemen's 'Well of Hell'

A team of Omani cavers has made what is believed to be the first descent to the bottom of Yemen's fabled Well of Barhout—a natural wonder shunned by many locals, who believe it is a prison for genies.

What is the temperature of the Earth's crust?

As you may recall learning in geology class, the Earth is made up of distinct layers. The further one goes towards the center of the planet, the more intense the heat and pressure becomes. Luckily, for those of us living ...

The Pacific slope of Peru is greening, but it's not good news

Research led by physicists and geographers at the University of Cambridge has unveiled some large-scale changes in the vegetation in the South American Andes which may have dramatic impact on the environment and ecosystems ...

Seals help plug Antarctic water mystery

Elephant seals have helped scientists to demonstrate that fresh water from Antarctic's melting ice shelves slows the processes responsible for the formation of deep-water ocean currents that regulate global temperatures.

3-D model shows big body of water in Earth's mantle

A seismologist at Washington University in St. Louis has made the first 3-D model of seismic wave damping — diminishing — deep in the Earth's mantle and has revealed the existence of an underground water reservoir at ...

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