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 ...

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

What is the highest mountain on Earth? Turns out the answer to that question is more debatable than you might think. If you measure altitude above mean sea level, then the 29,032-foot (8,849-meter) ...

The Tibetan Plateau is the highest plateau in the world. This immense land area lies surrounded by some of the tallest ...

HONOLULU (KHON2) — Every island in Hawaiʻi has its own personality, history and landscape. From beach sands of many colors to mountain peaks, there is a tremendous amount of diversity and beauty. One ...

Early on Oct. 9, Dawa Yangzum Sherpa took the final, labored steps to the pointy summit of Shishapangma (26,335 feet), the 14th highest mountain on Earth. At 8,027 meters tall, it’s the lowest of the ...