Last week’s announcement that a boot and partial remains believed to belong to the British explorer Sandy Irvine had been found on Mount Everest by a National Geographic documentary crew supercharged interest in a mystery that has endured since he vanished with George Mallory on the mountain 100 years ago.

In 1924, British explorer Andrew Comyn Irvine—nicknamed Sandy—and his partner George Mallory aimed to become the first to reach the summit of Mount Everest. But the two climbers disappeared on the expedition,

A National Geographic documentary crew may have found partial remains of the foot of Andrew “Sandy” Irvine, the famed mountaineer who disappeared on Mount Everest 100 years ago.

A climbing team discovered human remains that are believed to belong to Andrew Irvine, who went missing while climbing Everest in 1924

Climbers believe they have found the partial remains of a British mountaineer who might — or might not — have been one of the first two people to climb Mount Everest, a century after their attempt on

A National Geographic documentary crew has found the possible partial remains of Andrew Irvine, a British climber who vanished on Mount Everest 100 years ago.

Remains believed to belong to a British explorer who vanished more than 100 years ago while climbing Mount Everest have finally been found. Andrew Comyn "Sandy" Irvine, aged 22, disappeared along with the mountaineer George Mallory in June 1924.

When a National Geographic documentary team discovered a boot and sock sticking out of a melting glacier on Mount Everest in September, they almost immediately recognized its significance as a clue to a century-old mystery.