A recent U.S. expedition to Nikumaroro Atoll in the central Pacific found no evidence that Amelia Earhart’s lost airplane rests there, dashing hopes of resolving one of aviation’s enduring mysteries. The team investigated an object previously believed to be her aircraft but determined it to be a natural formation consisting of washed-up trees.

The expedition took place on Nikumaroro, part of the Kiribati archipelago located roughly midway between Australia and Hawaii. Amelia Earhart and her navigator, Fred Noonan, disappeared in 1937 while attempting to circumnavigate the globe along the equator, triggering one of the largest air and sea searches in history. Nikumaroro has long been considered one of the most plausible locations where Earhart and Noonan might have crash-landed.

Earlier visits to the uninhabited atoll uncovered intriguing artifacts, such as remnants of a castaway campsite, a woman’s shoe dating back to the 1930s, and fragments of glass from a makeup jar, fueling speculation that the site could hold clues related to Earhart’s fate. The latest search was prompted by 2020 satellite imagery showing an elongated white object in shallow waters near the island’s sandspit. While some explorers initially identified it as a fallen tree, Richard Pettigrew, head of the Archaeological Legacy Institute, noted video footage suggesting a metallic sheen in the water.

After a delayed 17-person team journeyed to Nikumaroro by ship and endured challenging weather conditions, they spent four days conducting fieldwork that included metal detecting and visual surveys. The group camped off shore to avoid large land crabs known locally as “robber crabs.”

Based at Purdue University in Indiana, the team concluded that the “visual anomaly” was almost certainly a cluster of large trees deposited naturally along the peninsula. The reflective quality previously interpreted as metal was attributed to a carbonate coating formed from coral sand accumulation, a natural phenomenon also observed on other objects recovered during the mission.

Purdue University acknowledged the disappointment of the findings but emphasized that the expedition contributes to the ongoing effort to unravel Earhart’s disappearance nearly 90 years after her flight attempt. The search adds to a series of rejected theories, including suggestions that Earhart was captured by Japanese forces or survived and lived under an assumed identity.

Despite the latest setback, the mystery of Amelia Earhart’s final whereabouts remains unresolved, continuing to inspire exploration and investigation.