Geography

Why the Moon’s “two faces” may have very different interiors

For centuries, humans could only wonder what the far side of the moon looked like. Unlike the near side, which always faces Earth, the far...

Ancient pottery unlocks secrets of prehistoric fishing nets

For the first time, archaeologists have digitally and physically reconstructed fishing nets from more than 6,000 years ago, thanks to traces left in ancient...

Ancient copper smelting site reveals clues to the birth of the iron age

A 3,000-year-old metal workshop in southern Georgia may hold the key to one of the most important turning points in human history: the invention...

Scientists discover new ichthyosaur species in Jurassic clay pit

Paleontologists have identified a new species of ichthyosaur, a marine reptile that swam the oceans during the age of dinosaurs, from fossils discovered in...

Tiny croc with strange teeth discovered in Montana after 95 million years

About 95 million years ago, a little crocodyliform no bigger than a household lizard scurried around what is now southwest Montana. Nicknamed Elton, this tiny...

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...