Some claim taking saunas in moderation can be good for you, but the human body can only take so much heat.
Record heat and floods in Europe and Asia match climatologists' predictions, but experts are cautious about interpreting events as signs of man-made warming.
After a cooling system breakdown, astronauts plan to hook up a critical spare part that can be delivered only by (the soon-to-be retired) space shuttle.
Could 2,000 years of foreign invasions, rebellions and civil war really be boiled down to weather patterns?
Green roof tech is heating up -- or rather, getting cooler, and the masterminds behind two promising sustainable rooftop inventions are actually still in high school.
Geological research shows that whenever Earth heats up a few degrees, the Arctic gets three times as warm.
A new air conditioner in development has the potential to use between 50 to 90 percent less electricity than the most advanced units out there, and do it without harmful refrigerants. Swoon.
This graphene business is getting serious. The fairly new one-atom-thick carbon material--related to the graphite in our pencils--has scientists in a tizzy over its potential. Now it looks like graphene could keep our hot electronics nice and cool. Last month ...
A nitrogen valve in the cooling system of the space station is not budging, and may pose a problem.
Why does warm water sometimes freezes faster than cold? A physicist says he has the answer.