New data shows that CO2 levels have broken through 430 parts per million, an indication that human-caused global warming will ...

The amount of planet-warming carbon dioxide in the Earth’s atmosphere has hit a new record, as humanity struggles to rein in emissions of greenhouse gasses from burning fossil fuels. The new ...

But just how high does Earth's atmosphere extend? Well, that depends on who you ask! According to NASA the upper layer of Earth's atmosphere — the exosphere — extends up to 6,200 miles (10,000 ...

Levels of carbon dioxide in Earth's atmosphere reached another record high last month, scientists from the National Oceanic and Atmospheric Administration and the Scripps Institution of ...