Our planet has warmed by about 1.2°C since 1850. Climate models simulate this effect, but when tested against the past 40 years of warming, these models fall short. The situation is even worse when it ...

Miriam Freedman (left), professor of chemistry at Penn State, and Heidi Busse, a graduate student at Penn State, studied the freezing activity of four different types of microplastics to see how they ...

Marine bacteria carried by warm and moisture-laden atmospheric rivers contribute to the formation of ice clouds at unexpectedly high temperatures in high-latitude regions, research from Japan suggests ...

An interesting phenomenon unfolded Monday in the sky over Houston as nearly perfect rows of clouds were spotted. Video ...