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.
Mountains form in a variety of ways, some of which geologists are now just starting to understand.
The world's highest mountain system may have reached 60% of its current elevation before the Indian and Eurasian tectonic plates crashed into each other, giving the peaks an extra push.
Despite tales of overcrowding, fighting and tragedy, hundreds of people continue to try to summit Everest every year. What's the appeal?
Seasonal changes in air pressure sometimes make Mount Everest's "perceived elevation" to shrink by thousands of feet, a new study finds.
Cloud forests actually may see brighter light levels than sunny forest expanses, but despite this are surprisingly tolerant of drought, new research finds.
Hundreds of climbers form lines to attempt to push for the summit and this past weekend the results were deadly.
Sign up for the Live Science daily newsletter now
Get the world’s most fascinating discoveries delivered straight to your inbox.