Solar kerosene could one day provide aviation with a carbon-neutral fuel Jet fuel can now be siphoned from the air. Or at least that’s the case in Móstoles, Spain, where researchers demonstrated that ...

Sue notes we often see sweaty water glasses in the summer but not much in the winter. Evaporation and condensation tend to run rampant in the summer season. Water will dry up or evaporate very quickly ...

Earth is about 71 percent water. An overwhelming 97 percent of that water is found in the oceans, leaving us with only 3 percent in the form of freshwater—and much of that is frozen in the form of ...

Clouds hover over San Francisco. Low clouds, like those often covering California's coast, are among the most important clouds for climate change and the planet's energy balance. (Getty Images) Study ...