Scientists have discovered two mountains which reach heights of around 620 miles (1,000km), dwarfing anything else found on the planet. Daily Mail Story by Wiliam Hunter ...

One idea is that the mountains are parts of the lower mantle that have been superheated due to their proximity with Earth's incandescent core. While the mantle can reach 3,700C (6,692F), this is ...

About 2,000 miles below the Earth’s surface, the planet’s rocky mantle meets the molten, metallic outer core. Previously, a possible ancient ocean floor on the core-mantle boundary had only ...

We don't actually know what the tallest mountain on Earth is. But we can narrow it down to two! Mount Everest's summit is higher above sea level than the summit of any other—about 29,029 feet high .

Earth's crust once formed a dense "root" supporting Colombia's northern Sierra Nevada de Santa Marta mountains, but new research suggests this prop sank into the mantle millions of years ago.

A team of geologists propose a new explanation in an article in the journal Earth and Planetary Science Letters. “The ice conceals some of Earth’s most enigmatic features,” according to the paper. One ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above some clouds before dawn. It’s twice as tall as Earth’s largest volcano ...

Scientists have discovered two mountains which reach heights of around 620 miles (1,000km), dwarfing anything else found on the planet.

The deep Earth contains vast mountain ranges with peaks up to four times the height of Everest. But no one knows why. It was a glaring summer's day in Antarctica. Through frozen eyelashes ...