A strange object hurdling through our solar system from interstellar space may, according to one of academia's most controversial astronomers, have been sent by aliens to see how smart we are. "It is ...

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that signal has normally been based on our own current cutting-edge technology. But ...

For generations, humans have imagined what it would be like to discover life beyond Earth. Would alien beings look anything like us? Would they communicate through sounds, signals, or something ...

IN The shadows of Mount Shasta and Lassen Peak volcanoes in northern California, dozens of radio telescopes are gearing up to search for extraterrestrials. Thousands of kilometres away in Boston, ...

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial Intelligence (SETI) committee has significantly revised the protocols governing ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...

Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does intelligent life look like? And how would aliens communicate? How could ...

HAT CREEK, CALIF. — In this remote volcanic valley near Mt. Shasta, 42 telescope dishes have sprouted amid the soaring ponderosa pines, listening for a voice from space. Every few seconds the ...