Geography

Earth’s “carbon thermostat” could overshoot, triggering a sooner ice age

Earth has a built-in climate regulator that recycles carbon dioxide, but new research from the University of California, Riverside shows this system may sometimes...

Tally sticks from three ancient civilizations rewrite money’s history

When most of us think about the history of money, we imagine a simple timeline: people bartered goods, then invented coins, then paper money,...

Climate change could make airports noisier by 2050, study finds

Airports across Europe may become noisier in the coming decades as climate change warms the air, according to new research from the University of...

Archaeologists find earliest evidence of horses in ancient Sicily

For decades, historians believed horses did not reach Sicily until around the first millennium B.C. But new research has overturned that assumption, showing that horses...

Liquid water flowed on Ryugu more than one billion years after it formed

Small fragments of rock can reveal a lot when they're analyzed with powerful laboratory instruments. New research into tiny fragments of the asteroid Ryugu sampled...

Why the end of dinosaurs gave rise to meandering rivers

The extinction of dinosaurs 66 million years ago didn’t just clear the way for mammals to rise. It also transformed the very shape of...

MIT scientists reveal where earthquake energy really goes

When we think of an earthquake, we imagine the shaking of the ground and the destruction it can cause on the surface. But shaking is...

Scientists trace Africa’s dinosaur giants back to European roots

When most people think of giant predatory dinosaurs, Tyrannosaurus rex often comes to mind. But the largest predator of all time was Spinosaurus, which lived...

Scientists discover 85 hidden lakes beneath Antarctica’s ice

Deep under Antarctica’s thick ice cover lies a hidden world of lakes that no human has ever seen. These “subglacial lakes” sit several kilometers below...

Earth’s inner core: Nobody knows exactly what it’s made of, but now we’ve started...

The iron-rich core at the center of our planet has been a crucial part of Earth's evolution. The core not only powers the magnetic field...