Douglas Vakoch argues that sending messages to possible extraterrestrials is a worthwhile endeavor and not to be feared.
David Brin challenges those who think they know what we might find out there in the universe: Our expectations have been dashed before.
Jerome Barkow views the pro- and anti-messaging camps with bemusement.
Robin Hanson uses Pascal's Wager as a tool to think about communicating with extraterrestrials.
Robin Hanson argues that slow-growing alien civilizations would still have plenty of time to get to the stars, if nothing interferes.
Robin Hanson discusses what aliens might be like if they are millions of years removed from their ancestral, evolutionary environment.
Jerome H. Barkow explains why evolutionary forces will shape extraterrestrial life, and how psychology clouds human ideas about it.
Robin Hanson predicts the end of the solar system and perhaps the galaxy. And humans taking over our formerly natural selection.
What can the search for extraterrestrial intelligence tell us about societies on earth?
Smaller international organizations do sanctions better, Bryan Early has found. Indeed, sanctions from the United Nations are commonly useless.