Geoscience
How the “Atlantic Grand Canyon” Came to Exist
New research sheds light on the mysterious underwater structure
Tiny Evidence Upends a Controversial Stonehenge Theory
Researchers curious about the monument’s origins stuck their heads in the sand—for good reason
Watch This Glacier Race into the Sea
High-tech radar technology offers an unprecedented look at escaping ice speeds on Greenland and Antarctica
A Billion-Year-Old Piece of Sky Locked Within Ancient Salt Crystals
Here’s what was in the air during the so-called “Boring Billion”
Is Earth’s Core Like an Onion?
Chemical layering deep inside may explain weird seismic wave behavior
Why Some Volcanoes Don’t Explode
A new explanation for oddly calm lava flows is a little like stirring honey in a jar
Rocks Are Alive
Philip Marsden on his three greatest revelations while writing Under a Metal Sky
Here’s How Rocks Heal Themselves in Deep Faults
In Earth’s cracks, slow-motion temblors rumble while the planet repairs itself
Antarctic Team Drills 6 Million Years Into Earth’s Past
The recovery of the ancient ice core to date reveals key insights into our changing climate
Pink Boulders Reveal a Hidden Antarctic Giant
Inside the massive, granite slab slumbering beneath the frozen continent
