Bison once numbered in the tens of millions in the United States. Now, a nonprofit is working to restore the shortgrass prairie, where the American icons and their ecosystem can thrive again.
A “major storm system” approaching the Pacific Coast is forecast to rumble across the U.S., dealing feet of snow in the West, blizzard conditions in the Northern Plains and tornadoes across the South, forecasters say.
We went on the road with scientists crisscrossing the Great Plains, trying to learn how to tell which storms with tornado potential will actually spawn them.