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Playing Russian Roulette With a Volcano

On May 18, 1980, Mount St. Helens exploded with the force of 500 Hiroshimas. National Geographic’s Rowe Findley was on the scene.

Opinion: Despite Changes, Mount Everest Is Changeless

A climber who first scaled Everest 30 years ago sees continuity and change on the world's highest peak.

Q&A: The Future of the Kepler Spacecraft

The principal investigator of NASA's Kepler mission says even if the spacecraft can't be put back on track, data it has already gathered may reveal more Earth-like planets.

Louisiana's Bayou Is Sinking: Can $50 Billion Save It?

With rising seas and sinking land, large swaths of Louisiana are disappearing. But will $50 billion reverse the trend?

Billion-Year-Old Water Preserved in Canadian Mine

The primordial water contains chemicals that could support life without sunlight.

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