A new study finds that extremely warm summers are not only occurring more frequently in the contiguous United States, but are likely to become normal by mid-century.

A new study that provides the first comprehensive satellite analysis of Earth’s melting glaciers and ice caps has grave implications for sea level rise.

The growing array of tools at the disposal of climate scientists doesn’t necessarily make life any easier for them. Each set of data has its idiosyncrasies, some of which aren’t evident at first glance.

How one weathercaster puts the weather report into a climate context.

Atmospheric carbon dioxide has been increasing fairly steadily for decades, but methane has accumulated at a more erratic pace. The increase virtually stalled for much of the last decade before resuming after 2007.