An international research expedition has reached a remote Pacific island to investigate a longstanding anomaly that could finally explain the disappearance of aviation legend Amelia Earhart. The team, consisting of experts from Purdue University and the Archaeological Legacy Institute, arrived at Nikumaroro Island aboard a research vessel following a lengthy voyage across the ocean.

Earhart and her navigator, Fred Noonan, vanished in 1937 while attempting an around-the-world flight, sparking decades of intense international interest and various investigative theories. The current five-day mission marks the first authorized expedition to the island in seven years, and the initial visit to the specific target area in over a decade.

Researchers are targeting a specific anomaly known as the Taraia Object, which was first identified in satellite photographs of a lagoon edge captured in several years ago. While some analysts believe the shape represents the remains of Earhart's lost aircraft, other specialists remain cautious, suggesting it could simply be a fallen tree or natural debris.

The expedition faces several logistical hurdles, including intense tropical weather patterns and the presence of an exceptionally strong El Niño climate cycle. Marine archaeologists on board note that regional wave activity and shifting weather systems could complicate safe navigation through the reef channels surrounding the atoll.

In addition to environmental conditions, the team must contend with a massive population of giant coconut crabs that inhabit the island. Recognized as the largest land-living crustaceans on Earth, these powerful creatures possess the strength to crack open coconuts and hunt small animals at night, prompting the entire research crew to retreat to their ship each evening for safety. Certain historical hypotheses even suggest that these predatory crabs may have interacted with the aviator's remains following a crash landing.

Operations on the island will begin with establishing a base camp, clearing thick jungle vegetation, and cutting a path to the target location. The team plans to sweep the Taraia Peninsula for magnetic metals before using specialized dredging equipment to clear sediment and conduct a direct visual examination of the submerged object.

Reporting based on coverage first published by BBC News. Read the original report at BBC News.