WASHINGTON — If you’ve ever felt foggy, unfocused or downright sluggish on a hot summer day, you’re not imagining things. Science says extreme heat doesn’t just make you sweat, it can also mess with ...

During extreme heat, intense sweating, or prolonged physical exertion, the body loses not only water but also vital minerals ...

A new study finds that long-term heat therapy may increase mitochondrial function in the muscles. The discovery could lead to new treatments for people with chronic illness or disease. A new study ...

Heat pumps – heating and cooling systems that run entirely on electricity – have been getting a lot of attention recently. They’ve been called the “most overlooked climate solution” and “an answer to ...

This week marked a grim record for Earth’s climate, as temperatures repeatedly hit — and passed — levels not seen in 125,000 years, according to government scientists. For context, the last time ...