Could there be a faster way to discover interesting galactic neighbors? Is there some scheme for detecting aliens that might work quicker than tuning in their radio transmissions or hunting down their laser pulses?
There might be, and for a simple reason. The cosmos is three times as old as Earth. During most of creation's 14 billion year history, our solar system wasn't around. Nonetheless, the early universe still had the right stuff for life, and contained worlds that were just as suitable for spawning biology and intelligence as our own.
To read more, click here.