A seminal, 212-year-old diagram of Andean plants by German explorer Alexander von Humboldt is still groundbreaking…
Author: Carolyn Gramling
Signs of red pigment were spotted in a fossil for the first time
For the first time, scientists have identified the chemical fingerprint of red pigment in a fossil.
Apollo-era moonquakes reveal that the moon may be tectonically active
Moonquakes recorded during the Apollo landings suggest the moon is still tectonically active.
Only a third of Earth’s longest rivers still run free
Mapping millions of kilometers of waterways shows that just 37 percent of rivers longer than 1,000…
1 million species are under threat. Here are 5 ways we speed up extinctions
One million of the world’s plant and animal species are now under threat of extinction, a…
The search for new geologic sources of lithium could power a clean future
Futuristic clean-energy visions of electric vehicles are driving the hunt for lithium.
A dinosaur’s running gait may reveal insights into the history of bird flight
In what may have been a precursor to avian flight, a flightless winged dinosaur may have…
Hippo **** cycles silicon through the East African environment
By chowing down on grass and then excreting into rivers and lakes, hippos play a big…
Dry sand can bubble and swirl like a fluid
Put two types of sand grains together in a chamber, and they can flow like fluids…
How we reported a controversial story about the day the dinosaurs died
Here’s how we covered the story of new fossils found in the Tanis site in North…