In 1977, a strange burst of radio signal was captured in Ohio, and after years of speculation that it came from aliens, ...

“Wow!” is the name given to the enigmatic and powerful radio waves recorded by astronomer Jerry R Ehman in August 1977, and has long been held to be the most promising “alien” signal ever detected ...

Though the process is done in secrecy, thousands of onlookers in Rome will await a signal in the sky to learn when the new pontiff is chosen. If black smoke plumes over the Vatican, observers know ...