Why carbon dioxide has such outsized influence on Earth's climate
Carbon dioxide makes up less than one-twentieth of 1% of Earth's atmosphere. How does this relatively scarce gas control Earth's thermostat?
science
Amazon fires are destructive, but they aren't depleting Earth's oxygen supply
If the Amazon rainforest functions as our planet's lungs, what do raging wildfires threaten? An atmospheric scientist explains why the fires, though devastating, won't suffocate life on Earth.
New climate change report underscores the need to manage land for the short and long term
A new report calls land key to solving climate change. The good news is that there are strategies for reducing carbon emissions from land use that can also produce economic and social benefits.
NASCAR may be the fastest way to learn about physics
Stock car racing is a fast - and fun - way to learn physics lessons.
Neuroscience and artificial intelligence can help improve each other
Artificial intelligence has little to do with brain science, yet there are lesson to learn that will improve both.
Did we mishear Neil Armstrong's famous first words on the Moon?
There are often mistakes between what people say and what people hear.
Mapping the Moon for Apollo
The first humans to land on the Moon, and the team that got them there, get all the glory. But what about the people who laid the foundation for this effort by mapping the Moon? Who were they?
5 Moon-landing innovations that changed life on Earth
The technology needed to make moon landings possible also changed our lives on Earth. Here are 5 important innovations.
Confused about what to eat? Science can help
Forget fad diets - scientists are in remarkable agreement about the best foods for good health.
EarthTalk – What are regional climate models and why are they needed?
How are global and regional climate models linked, and what information do they provide?