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When a magnitude 7.8 earthquake hit Nepal in spring 2015, John Galetzka hopped on a plane to Kathmandu."I arrived four days after the April 25th…

The government says it will more closely scrutinize climbing teams following an embarrassing brawl this year between European climbers and their Sherpa guides.

Sky-high prices for elephant ivory and rhino horn have pushed wildlife poaching to a fever pitch. So in attempt to outfox the sophisticated poaching operations, conservationists and government rangers are teaming up to launch small, camera-carrying drones, or unmanned aerial vehicles, above southwest Africa.

Perhaps no active climber is more closely associated with Mount Everest these days than Conrad Anker, who's also made the preservation of the world's highest mountain one of his priorities. If you've been to Mt. Everest, join our Sunday Conversation and tell us about your experience.

An 81-year-old climber trying to regain his title has turned back; a Russian extreme sports star has BASE jumped from nearly 24,000 feet; the BBC recounts how word reached the world in 1953 of Edmund Hillary and Tenzing Norgay's historic feat; and more.

Five years ago when he was 76, a Nepalese climber became the oldest person to scale Mount Everest. Last week, an 80-year-old Japanese climber took the crown. The Nepalese climber has had to give up on his attempt to reclaim the title because of bad weather.

A Japanese mountaineer has become the oldest person to conquer Mount Everest, as Yuichiro Miura, 80, reached the peak Thursday morning. The feat marks Miura's third time atop Mount Everest. As in 2008, Miura's accomplishment is in danger of being surpassed by rival climber Min Bahadur Sherchan, 81.

An 80-year-old Japanese mountain climber has become the oldest person to reach the summit. But that record may not last. His 81-year-old Nepalese rival plans to make the ascent again next week.

An argument between three climbers and Sherpa guides on Mount Everest reportedly devolved into a fistfight on the mountain, close to Camp III, at 24,500 feet. The Nepali Times calls it "the highest brawl in world history," as well as evidence of a culture clash.

Texas health officials have quarantined a Nepalese man, who illegally entered the U.S. while infected with a particularly dangerous type of tuberculosis. He traveled through 13 countries, potentially exposing hundreds of people around the world to the pathogen.