Not only is Earth's surface warming, but the troposphere — the lowest level of the atmosphere, where weather occurs — is heating up too, U.S. and British meteorologists reported on Monday. In a review ...

In a review of four decades of data on troposphere temperatures, the scientists found that warming in this key atmospheric layer was occurring, just as many researchers expected it would as more ...

JACKSONVILLE, Fla. — How many layers do you think there are in our atmosphere? Five! We have five different layers between us and outer space. From the surface up there is the troposphere, the ...

Scientists confirmed that much of ozone's increase in the upper troposphere is likely due to humans. A team detected a clear signal of human influence on upper tropospheric ozone trends in a 17-year ...