A Wrinkle in Nature Could Lead to Alien Life
Aliens:There may be more than one way to tune a universe for life.
The Trouble with Counting Alien Civilizations
Aliens:Life on Earth is a sketchy guide to intelligent life in the cosmos.
Life on Earth Is a Sketchy Guide to an Alien Civilization
Any assumptions about properties like intelligence or agency that we make based on what we currently know about life on Earth are on exceedingly shaky ground.Photograph by European Southern Observatory (ESO) / Wikicommons You might imagine that in the midst of a global pandemic and all of its social and economic fallout that our minds […]
Our Attitude Toward Aliens Proves We Still Think We’re Special
Aliens:Why we downplay Fermi’s paradox.
Forget “Earth-Like”—We’ll First Find Aliens on Eyeball Planets
Artist’s conception of a hot Eyeball planet. The permanent day side is sun-baked and dry. The permanent night side is covered with ice. In between lies a thin habitat: the ring of life.Illustration by Beau.TheConsortium Imagine a habitable planet orbiting a distant star. You’re probably picturing a variation of Earth. Maybe it’s a little cloudier, […]
Dolphins Are Helping Us Hunt for Aliens
SETI Institute astronomer Laurance Doyle proposed using information theory to analyze animal communication systems, particularly the whistle repertoire of bottlenose dolphins.Illustration by Victor Habbick Visions When 12 men gathered at the Green Bank Observatory in West Virginia to discuss the art and science of alien hunting in 1961, the Order of the Dolphin was born. […]
Life on Mars, from Viking to Curiosity
Aliens:A brief history of the scientific debate swirling around the Red Planet.
Why We’ll Have Evidence of Aliens—If They Exist—By 2035
The search for alien technology is about to get much more efficient. I’ve bet a cup of coffee to any and all that by 2035 we’ll have evidence of E.T. To many of my colleagues, that sounds like a losing proposition. For more than a half-century, a small coterie of scientists has been pursuing the […]