For almost 50 years scientists have been baffled by a radio signal which was initially thought to be sourced for an extra terrestrial visitor – and new research appears to have shed new light The findings were first recorded in 1977 (Image: Getty Images)

A radio signal from the 1970s may have finally be cracked, after experts have been left baffled over its extraterrestrial origins for years. The experiment dubbed the "Wow" signal quickly gained international attention after it was captured by Ohio State University’s Search for Extraterrestrial Intelligence (SETI) project in 1977. ‌

The team behind the experiment were tracking space for any sign of extraterrestrial life . Eventually, a 72-second radio burst was recorded and it was so unusual that leading astronomer Jerry Eh

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