Australia has always had heatwaves. But this week’s heatwave in southeastern Australia is something else. Temperatures in some inland towns in South Australia, New South Wales and Victoria were up to ...

BOISE, Idaho — As wildfires continue through the hot and dry months of summer to fall, their smoke isn’t just clouding the skies, it’s also playing a complex role in the atmospheric chemistry. It can ...

Berkeley — Discovery of the last piece of a long-standing puzzle — what happens to hydrogen gas in the atmosphere — will help scientists assess the impact of additional hydrogen escaping into the ...

Cities are rapidly becoming the defining residential space of human life. Over 55% of the global population lived in urban areas in 2018, a proportion projected to reach nearly 68% by 2050, according ...