John D. RuleySocial Links Navigation Latest articles by John D. Ruley Intelligence: A Rare Cosmic Commodity By John D. Ruley published 10 April 08 A model suggests that intelligent life may be very rare in the universe. The Universe Get the Space.com NewsletterBreaking space news, the latest updates on rocket launches, skywatching events and more!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MORE FROM SPACE...1'Silo' scores a third and fourth season from Apple TV+2Scientists await signal from NASA's Parker Solar Probe after historic close sun flyby. Will it phone home?3Just a fraction of the hydrogen hidden beneath Earth's surface could power Earth for 200 years, scientists find4'DOOM 3' 20 years later: Not the threequel we expected, but still an essential sci-fi shooter5Running Chicken Nebula glows in gorgeous new image from Very Large Telescope in Chile
Intelligence: A Rare Cosmic Commodity By John D. Ruley published 10 April 08 A model suggests that intelligent life may be very rare in the universe.
