Avi Loeb

April 9, 2018

Why Extraterrestrial Life May Be More Unlikely Than Scientists Thought

Phosphorus is an essential element for life — but that there was enough of it for life to start on Earth might just have been a […]
March 16, 2018

IF WE DO HEAR SIGNALS FROM ALIENS, THEY’RE PROBABLY LONG GONE

In 1961, famed astrophysics Frank Drake proposed a formula that came to be known as the Drake Equation. Based a series of factors, this equation sought to […]
July 15, 2017

Who’s Out There?—Problems Getting Started

Since wet chemists on Earth have not reinvented life from scratch—not one self-reproducing living critter, nor even a self-serving prion–we can probably assume that it’s not […]