Current state of play in astrobiology, including exoplanets and their atmospheres, habitable zones and the likelihood of evolution elsewhere.

Throughout the twentieth century, from the furor over Percival Lowell's claim of canals on Mars to the sophisticated Search for Extraterrestrial Intelligence, o

Are we alone in the universe, or are there other life forms 'out there'? This is one of the most scientifically and philosophically important questions that hum

A leading evolutionary thinker, biologist, and medical researcher asks the question: "Could life elsewhere be substantially different from life on Earth?"--and

Throughout the twentieth century, from the furor over Percival Lowell's claim of canals on Mars to the sophisticated Search for Extraterrestrial Intelligence, o