The search surrounding Nancy Guthrie’s disappearance took another unexpected turn after human remains were discovered in Arizona’s Sonoran Desert near the area connected to the ongoing investigation. What first appeared to be a potentially major breakthrough quickly turned into something very different. Experts now believe the remains are centuries old and unrelated to the missing 84-year-old mother of Today co-host Savannah Guthrie.The discovery still highlighted the harsh reality of the desert landscape, where experts say human remains are uncovered more often than many realize.As the investigation into Guthrie’s disappearance continues, authorities and experts are urging the public to separate the archaeological find from the active missing persons case.What Did Investigators Find In The Desert?You Might Also Like:The discovery happened on May 7 after local YouTuber AJ Wysopal was conducting an amateur search for Nancy Guthrie near the Catalina Foothills in Arizona. While searching through the rugged desert terrain, he noticed what appeared to be a human bone exposed in the ground, as per a report by Fox News.Because the location was close to the area tied to Guthrie’s suspected abduction, the find immediately attracted attention. Guthrie disappeared from her home during the early morning hours of February 1, and the case has remained under intense public focus ever since.However, experts quickly determined the remains were not connected to the ongoing investigation.Speaking to Fox News Digital, University of Arizona anthropologist James T. Watson explained that the discovery involved far more than a single bone. According to Watson, a full skeleton was unearthed at the site.You Might Also Like:“They belonged to someone believed to have been buried between several hundred and 1,000 years ago,” Watson said. The expert noted that the remains were considered prehistoric because they dated back to a time before written language existed in the region.Why Was The Skeleton Considered Ancient?Watson explained that several clues helped experts determine the age and origin of the remains. Ceramic artifacts discovered nearby matched known archaeological materials already linked to the region.You Might Also Like:“There is also a known archaeological site nearby,” Watson said, adding that the pottery fragments strongly suggested the remains belonged to a Native American individual.“All of that contextual evidence allowed me to be pretty sure that this individual was in fact Native American,” he explained. “The ceramics really sort of drove home that point.”The remains have since been transferred to the Tohono O'odham Nation, according to Watson. He also said no further testing or research is expected to take place, as per a report by Fox News.Watson emphasized that even though the remains are ancient, they still deserve respect and dignity.“Whether it is a thousand years old or 50 years old, these are human remains," he said.How Does This Affect The Nancy Guthrie Search?While the skeleton was ultimately ruled out in connection with Nancy Guthrie’s disappearance, the discovery revealed how difficult searches can become in Arizona’s vast desert terrain.Watson told Fox News Digital that discoveries like this are not unusual in the Sonoran Desert. Between archaeological remains, harsh environmental conditions, and migration routes near the U.S.-Mexico border, human remains are found more often than many people realize.“The desert there is a pretty harsh environment, and obviously it's been settled for hundreds, thousands of years,” Watson said.He added that erosion, flooding, and even real estate development frequently expose buried remains. Some discoveries involve archaeological sites, while others involve migrants or individuals who became lost in remote desert areas.“There are literally probably hundreds of bodies that are discovered every year out in the desert,” Watson told Fox News Digital.The anthropologist also explained that the region contains many isolated locations where remains can stay hidden for years.“So there [are] a lot of places that an individual could get lost or pass away — or hide a body,” Watson said.Despite the unrelated discovery, the investigation into Nancy Guthrie’s disappearance remains active. Authorities continue to pursue leads while a combined reward of more than $1.2 million remains available for information connected to the case.Her family is urging anyone with information to contact the FBI tip line or Tucson’s anonymous 88-Crime hotline as the search continues.FAQsWas the skeleton connected to Nancy Guthrie?No. Experts said the remains were prehistoric and unrelated to her disappearance.Where were the remains found?The skeleton was discovered less than five miles from Nancy Guthrie’s home in Arizona.You Might Also Like: