When Was the First Interstellar Radio Message Sent?
The Arecibo Message, humankind’s first interstellar radio message, sent from the Arecibo Observatory in Puerto Rico in 1974, is a three-minute message of exactly 1,679...
Read More
Who Was the Last Man to Discover a Planet?
Who Was the Last Man to Discover a Planet? Clyde Tombaugh, a young American research student, made the last discovery of a planet while working in 1930 at the Lowell...
Read More