Has Earth received any radio signals from aliens?
Scientists affiliated with the SETI@home project analyzed 14 years of radio wave data collected by the Arecibo Telescope and identified 92…
Tag: technosignatures
Are aliens receiving radio signals from Earth?
Scientists calculated the maximum distance at which extraterrestrials with modern human-level technology could detect radio signals from…
These gases could signify intelligent life beyond Earth
Astronomers proposed that the industrial gases nitrogen trifluoride and sulfur hexafluoride could provide measurable signs of advanced…
Future telescopes could search for alien farms
Simulations suggest that the light observed from a distant planet around another star might be able to show evidence of ammonia and nitrous…