The crisp weather many in the United States enjoyed over the last week or two was just a sneak peek of fall: Late summer heat is making a comeback.

For the first time, scientists have quantified the causal links between worsening heat waves and global warming pollution ...

(CNN) — As a taste of fall gives much of the United States a break from a hot, humid summer, some forecasters are already skipping ahead to winter, and a possible homecoming for an important ...

(CNN) — As a taste of fall gives much of the United States a break from a hot, humid summer, some forecasters are already skipping ahead to winter, and a possible homecoming for an important ...