ALIEN-HUNTERS have narrowed down their 21-year-search for extraterrestrial life to 100 “signals of interest”. The mammoth quest has seen scientists trawl through as many as 12 billion signals picked ...

For decades, scientists have been actively searching for signs of extraterrestrial life. Fromradio waves to laser flashes and infrared heat signatures, the hunt for alien technosignatures has ...

With billions of planets believed to exist across the Milky Way, scientists have long wondered why humanity has never found ...

For more than six decades, astronomers have listened for possible signals from extraterrestrial civilisations, with no confirmed detection to date. A new statistical study considers a narrower and ...

Loading external pages may require significantly more data usage than loading CBC Lite story pages. The only place we know for certain that life exists is here on Earth. But when we look out at the ...

Obama Responds to Alien Claims as He Shuts Down Area 51 Conspiracy Theory However, no confirmed technosignatures like artificial radio transmissions, laser flashes, or excess heat from large-scale ...