""These are several narrow-band electromagnetic signals different from the past, and the team is currently working on further investigation," Zhang Tongjie, head scientist at the China Extraterrestrial Civilization Research Group at Beijing Normal University..." by Ben Turner via Live Science image: NAO/FAST Scientists have yet to rule out human radio interference as the signals' source. China is claiming that its enormous "Sky Eye" telescope may have picked up trace signals from a distant alien civilization, according to a recently posted and subsequently deleted report by Chinese scientists. Astronomers at Beijing Normal University have discovered "several cases of possible technological traces and extraterrestrial civilizations from outside the Earth," according to a report published Tuesday (June 14) in Science and Technology Daily, the official newspaper of China's Ministry of Science and Technology. The signals were picked up by China's Five-hundred-meter Aperture Spherical radio