What you didn't know about the first time we tried to contact aliens - National Geographic
- What you didn't know about the first time we tried to contact aliens National Geographic
- Opinion | It’s the Perfect Moment to Search for Intelligent Alien Life The New York Times
- Why did Earth’s first radio message to alien civilizations leave out half of humanity? Nature.com
- The Arecibo Message, an attempt to communicate with extraterrestrials, is sent into space History
- How Astronomers Tried to Communicate with the Cosmos Scientific American