SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...

Since its discovery in 1977, the Wow! Signal has puzzled radio astronomers. The Ohio State University Big Ear radio telescope found this powerful 72-second narrowband radio signal. The signal was ...

Vice-Admiral Maximilian von Spee, commander of Germany's last naval squadron outside Europe, had just given the Royal Navy its worst defeat in over a century. Off the coast of Chile at Coronel, his ...