Katherine Harmon Courage
Saltier, Hotter Sea Springs a Leak in Ice Sheets
A surprising reversal at sea brings a big change
The Science of Tripping Comes to Town
The many challenges of studying psychedelics
How to Build a Planet from Dust
The answer is blowing in the (stellar) wind
The Ancient Paths of an Iconic River
Vivid geological maps reveal the movement of the Mississippi
The Water Bear—from First Look to Facebook
250 years ago, a theologist looked under a microscope and discovered the “most peculiar” creature
What Fueled the Ocean’s Largest Terror
Megalodon teeth reveal a secret to their ancient super-predator status
The Largest Iceberg on Earth Is Stuck
A new view of the berg shows it’s losing its edge
Storm Chasers on the Hail Trail
The quest to map a costly weather phenomenon
From the Debris of Halley’s Comet
This week, chunks of the famous comet will fall to Earth in the Eta Aquarids meteor shower
A Map for Vanishing Animals
The geography of loss, in two imaginative charts