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

National Geographic's documentary team might have solved a 100-year-old mystery. It recently found what is believed to be a boot belonging to British climber Andrew Irvine, who disappeared in 1924 while attempting to summit Mount Everest.

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.

The find comes 25 years after Irvine's climbing partner George Mallory’s frozen body was also discovered on the Himalayan peak.

When Sandy Irvine went on a pioneering expedition to Mount Everest’s summit in 1924, he and his partner vanished. The recent discovery may shed light on the ill-fated adventure.

Last month, a team of climbers filming a National Geographic documentary stumbled on the preserved boot, revealed by melting ice on a glacier. This boot was believed to belong to Andrew Comyn "Sandy" Irvine, who disappeared while attempting to climb Everest in June 1924 with his partner George Mallory.

A National Geographic documentary team said Friday that in September membrs found a boot and the remains of a foot that belonged to legendary mountaineer Andrew "Sandy" Irvine on the slope of Mount Everest.

During the filming of a National Geographic documentary, the remains of a man who died climbing Mt Everest were found over 100 years later. The group who made the discovery included Oscar winner Jimmy Chin,

A family has expressed long-awaited relief after the foot of an Everest climber missing since 1924 was found by a documentary film crew on a melting glacier.