Carl Sagan was a prominent proponent of the search for extraterrestrial intelligence but was also a premier skeptic regarding the idea that UFOs are alien visitors to Earth.

Authors

• Person: Not available Organization: WBUR
  UFOs and the U.S. government: The push towards greater ... - WBUR

Sources

• UFOs and the U.S. government: The push towards greater ... - WBUR www.wbur.org WBUR via serper

Referenced by nodes (2)

• Carl Sagan entity
• Search for Extraterrestrial Intelligence concept