Add Yahoo as a preferred source to see more of our stories on Google. Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest ...

Vortex rings, a mysterious and fascinating natural phenomenon, display breathtaking structures and behaviors in both air and electromagnetic waves. Imagine an air cannon that can shoot vortex rings, ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

January usually brings the coldest air of the season to much of the country, and this year has seen its fair share. “The polar vortex is a core of extremely cold air that typically remains near the ...