We might be able to blame the heat for our bad decisions: A small study published this week found that college students who lived in dorms without air conditioning during a heat wave did worse on ...

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 ...

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 ...

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 ...