Volcanoes on Mars might be more widespread than previously thought, and this has an impact on the planet's past habitability.

A famed Sherpa mountain guide has climbed Mount Everest for the 31st time, extending his record for the most climbs to the top of the world’s highest peak. Expedition organizers say Kami Rita ...

That’s about triple the height of the tallest mountain on Earth ... It turns out the biggest mountain in the solar system could help us volca-know so much. And that really rocks.

Wales’ tallest mountains are spectacular and unique places. Clustered in the country’s mountainous northwest corner, these glorious peaks are saturated in legend and hold secrets that only a ...

Did you know the tallest mountain in the entire solar system isn’t even on Earth? In this video, I break down the mind-blowing facts behind Olympus Mons — the massive Martian volcano that's ...

Olympus Mons is the largest volcano on Mars and is, in fact, the tallest mountain in the solar system. It stands 21.9 kilometers (13.6 miles) above the Martian surface. By contrast, Mount Everest ...

leading to Nobel Prize-winning discoveries and some of the first images of planets outside our solar system. Snow fell on Hawaii's tallest peak this week, briefly turning the mountaintop into a ...

HONOLULU (AP) — Snow fell on Hawaii’s tallest peak this week ... and some of the first images of planets outside our solar system.

HONOLULU — Snow fell on Hawaii’s tallest peak this week ... and some of the first images of planets outside our solar system. The Associated Press ...

Snow fell on Hawaii's tallest peak this week ... discoveries and some of the first images of planets outside our solar system.