When you think about the world’s highest mountains, Mount Everest probably comes to mind first. The planet’s roof is actually ...

On Jupiter’s moon Io—the solar system’s most volcanically active world—you’ll find the mountain Ionian Mons. Its height is estimated at nearly 8 miles. All in all, scientists have discovered more than ...

This mountain may not be as high or as famous as Everest, but it's a riskier endeavor requiring a higher level of skill and ...

Julia Lyubova, 44, climbed all 29,032 feet of Mount Everest this past spring. The expert climber caught an altitude sickness ...

Crews on Mount Mansfield say the rescue is a warning to hikers as temperatures plunge and early winter conditions take hold.

A dad of two has died after falling from a trail while climbing one of the tallest mountains in the United States.

Last month, Bharath Thammineni became the first Indian to climb nine of the highest Himalayan peaks after summiting Cho Oyu ...

Our team set out for Japan's highest peak, which rises more than 12,000 feet. ABC News Coordinating Producer Christopher Godburn details his journey climbing Mount Fuji in Japan with his team after ...

Three climbers, including a foreign national, were killed and eight others were missing after an avalanche hit a climbing expedition on a Himalayan peak in Nepal, police said on Monday.