Mars, one of our closest planetary neighbors, has fascinated people for hundreds of years, partly because it is so similar to ...

NASA's Curiosity rover has uncovered evidence of a past carbon cycle on Mars. This breakthrough provides scientists with new ...

Atmospheric CO₂ concentrations are surging, even as emissions level out. Natural carbon sinks are showing signs of faltering ...

Glaciers provide a unique opportunity for researchers to measure levels of atmospheric carbon deposition. Unlike other ...

Plants play a huge role in shaping Earth’s climate. Through photosynthesis, they pull carbon dioxide (CO₂) out of the air.

Tutolo led a new study of rock samples collected by the Curiosity rover that might have answered this question. The mystery ...

Billions of years ago, Mars was warm, wet, and capable of sustaining liquid water on its surface. Scientists have long believed the Red Planet once had a dense atmosphere rich in carbon dioxide (CO₂), ...

How the Trump administration's dismantling of the National Oceanic and Atmospheric Administration threatens the Keeling Curve ...

Scientists are worried because they can’t fully explain the big jump, but they think it might mean that carbon absorption by ...

Scientists have pondered why Mars seemed to be missing sufficient carbonates indicative of its warm, wet past. Now, NASA’s ...

including how much comes from atmospheric deposition, can help scientists understand how human activity affects the glacier carbon cycle and ecosystems. Amy Holt and colleagues investigated ...