Geoscience
Why Most Planets Will Either Be Lush or Dead
The Gaia hypothesis implies that once alien life takes hold, it will flourish.
In Search of Life’s Smoking Gun
A journey to the underwater volcanoes where life may have erupted.
Travels in Geology: Touring the Capital Geology of Washington, D.C.
The nation's political center is also home to a rich geological history, found in both natural rock outcrops and the diverse suite of evocative building stones and monuments.
Should We Terraform Mars? Let’s Recap
Elon Musk wants to engineer Mars’ atmosphere. Can he?
Why Lunar Ice Caps Don’t Change My Moon Base Design
For the author of "The Martian" and "Artemis," it's simple economics.
An Arctic Early Warning System?
The Arctic Ocean could become a critical laboratory for understanding the process of climate change.
The Primordial Fertility of Rock
The chemistry of life is an extension of the chemistry of the Earth.
When Did Life on Earth Begin?
Our estimates for the prevalence of life in the universe depend on how quickly it arose on Earth.











