In the 1980s, American journalist James Oberg researched space-related disasters in the Soviet Union, but found no evidence of these Lost Cosmonauts.
1980年代，美国记者詹姆斯·奥伯格（英语：James Oberg）研究了苏联的太空相关灾难，但找不到证实幽灵太空人假说的证据。