Over 100 years after Andrew “Sandy” Irvine disappeared while attempting to climb Mount Everest, a new discovery may reveal details about his fate.

Irvine and climbing partner George Mallory were last seen by a fellow expedition member on June 8, 1924. It is not known whether the pair ever reached the summit — an important Everest mystery ...

The enduring mystery of Mallory and Irvine, the tweed-clad heroes of Everest last seen vanishing into a cloud as mist swept over the Himalayan summit, may finally have been solved 100 years on ...

Hikers on Mount Everest found a boot believed to be the remains of Andrew Irvine. Photo shows Irvine (right) and George Mallory in 1924 before their fatal assent. Photo from Noel E. Odell/Royal ...

This is because any proof that Irvine and Mallory indeed summited Mount Everest in 1924 would change the course of mountaineering history.

Hikers on Mount Everest found a boot believed to be the remains of Andrew Irvine. Photo shows Irvine (right) and George Mallory in 1924 before their fatal assent. Photo from Noel E. Odell/Royal ...

The enduring mystery of Mallory and Irvine, the tweed-clad heroes of Everest last seen vanishing into a cloud as mist swept over the Himalayan summit, may finally have been solved 100 years on from ...

Now, what appears to be the partial remains of Irvine have finally been uncovered in the biggest breakthrough in the great Everest mystery since Mallory’s frozen corpse was found 25 years ago. In the ...

Hikers on Mount Everest found a boot believed to be the remains of Andrew Irvine. Photo shows Irvine (right) and George Mallory in 1924 before their fatal assent. Photo from Noel E. Odell/Royal ...