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.

Not all kinds of extreme weather have the same relationship with our atmosphere's increasing burden of greenhouse gas. Here's a summary of what scientists already know and what they're working to nail down.

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