Geoscience
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
The Trees That Remember the Pyramids
Dendrochronologist Valerie Trouet on what tree rings reveal about climate, fire, and human history
The Hidden Landscape Holding Back the Sea
The fate of our planet’s coasts rests on Antarctic bedrock
Ghostly Swamp Lightning Explained
The tiny sparks behind spooky myths might have also started life on Earth
