The "most significant" heatwave south-eastern Australia has seen in six years is likely to trigger an extreme fire danger ...

Nicole Brown Chau is a deputy managing editor for CBSNews.com. She writes and edits national news, health stories, explainers and more. Nikki Nolan is a meteorologist for CBS News and Stations. She ...

Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...

The hottest temperatures of the year so far will soon reach the eastern half of the United States as a brutal heat dome continues to build. Tens of millions of people from the Midwest to the East ...