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 ...

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 ...

If you feel like this summer has, so far, been hotter than ever before, you're not wrong. Around the Fourth of July, meteorologists said that all-time heat records were not only being recorded all ...

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 ...

I just moved into a house that has a heat pump heating unit. Why does auxiliary heat have to come on to heat up my house? Why can’t it just heat up normally until it gets to room temperature? Will it ...