About 1,800 miles (2,900 kilometers) below our feet, two enormous patches of strange rock sit above Earth’s core. New ...

What makes it surreal: geothermal pools in bright orange, green, and sulphur yellow created by mineral-heavy volcanic water.

A volcano in northern Ethiopia erupted Sunday, marking its first known eruption in 12,000 years. The volcano, called Hayli ...

Two mysterious blobs deep inside Earth may hold clues about the origin of life on our planet, new research finds. Deep ...

The next global volcanic disaster is more likely to come from volcanoes that appear dormant and are barely monitored than ...

To help inspire your next wow-worthy destination, we rounded up 20 of the most beautiful mountains in the world to visit in ...

Dhaulagiri I, also known as the White Mountain, is the 7th-highest peak in Nepal. Learn its Sanskrit meaning, its unique ...

The Foundation of Mountain Building Mountain building, also known as orogenesis, is a geological process that involves the ...

Researchers found huge mounds in the North Sea, calling the sand bodies beneath the mounds “sinkites,” blocks of uplifted ...

For decades, scientists have been baffled by two enormous, enigmatic structures buried deep inside Earth with features so ...

Continents drift apart in slow, powerful motions that reshape the world above and below your feet. A new study now shows that ...

Here’s what you’ll learn when you read this story: Our Earth as we know it had a “proto-Earth” phase that didn’t survive long before it was pummeled by an asteroid. Researchers who compared levels of ...