Geoscience
The Origin of the Asteroid That Killed the Dinosaurs
The story of the doom-bringing rock may help us prevent a repeat catastrophe.
The First Good Glimpse of the Earth’s Mantle
The deepest extract from the middle layer of the Earth offers a wonderland of insights.
High Mountains, Ancient Shells, and the Wonder of Deep Time
Learning to appreciate the big picture.
Do Our Oceans Feel the Tug of Mars?
Ancient currents seemed to move in concert with a 2.4 million-year dance between the Red Planet and Earth.
Let’s Get Granular
Scientists have long puzzled over the behavior of mixed particles in rivers and landslides. New clues could be groundbreaking.
When Calamity Comes at a Crawl
Climate change may exacerbate the quiet catastrophe of slow-moving landslides.
How Earth Once Cooled Off
A geological discovery shows how carbon was captured to chill the planet.
A New Way to Trigger a Tsunami
How historic records and new data uncovered the colossal underwater avalanche that unleashed a massive wave in 1650.
Why Is It So Difficult to Map the Ocean?
The most complete maps we have of the ocean floor lag far behind the maps we have of the moon.
Earth’s Core Has a Gas Leak
Contrary to conventional wisdom, matter can escape the center of the Earth.
