It’s Time to Take the Gaia Hypothesis Seriously
Can a planet be alive? Lynn Margulis, a giant of late 20th-century biology, who had an incandescent intellect that veered toward the unorthodox, thought so. She and chemist James Lovelock together theorized that life must be a planet-altering phenomenon and the distinction between the “living” and “nonliving” parts of Earth is not as clear-cut as […]
Why Most Planets Will Either Be Lush or Dead
The Gaia hypothesis implies that once alien life takes hold, it will flourish.
The Romantic Venus We Never Knew
Venus used to be as fit for life as Earth.
An Astrobiologist Asks a Sci-fi Novelist How to Survive the Anthropocene
Kim Stanley Robinson imagines our future.