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An explanation of Earth’s tallest mountains and the scientific reasons behind their measurements. Susie Wiles gets in trouble ...

Mars is covered in stunning features, but nothing quite compares to the massive Martian mountain Olympus Mons, the largest ...

The battle over the name of North America’s tallest mountain has returned to Washington, reviving a dispute that spans more ...

You don't have to hike up tall mountains to enjoy the most breathtaking views. These are seven easy trails with the best ...

This is the sixth chapter in a 12-chapter fictional tale that will run through Christmas Day. Parents are encouraged to read aloud to their children. When Molly and Jax arrived at the base of the ...

Being on the surface of a sizable planet moving at high speed through space, spinning around a yellow star and on its axis, ...

Thomas Plamberger, 36, has been charged with grossly negligent homicide after he left his girlfriend Kerstin Gurtner on a ...

For Sunny Stroeer it all began on Aconcagua (22,841 feet), the tallest mountain in the Western Hemisphere. In 2014 she ...

Stowe Mountain Rescue in Vermont has noticed a troubling trend among skiers. Influenced by social media, inexperienced skiers ...

These hikes from Maura Fox’s Hike of the Week column can be found in City Heights, La Jolla, Tierrasanta and other San Diego ...

Antarctica holds the record for the coldest temperature ever recorded on Earth, with Russia’s Vostok Station plunging to −128 ...