Their computer simulation shows that their rapid expansion is a great threat to the tundra's exceptional vegetation composed of dwarf shrubs, grasses, mosses and lichens. Aerial photo of open ...

Previous studies have found high-latitude plant growth increasing and moving northward into areas that earlier were sparsely covered in the shrubs and grasses of the tundra. Now, the new NASA-led ...

The Arctic tundra contains a number of low shrubs and sedges as well as reindeer mosses, liverworts, grasses, lichens, and around 400 types of flowers. There are also a number of animals that call ...

such as short shrubs and grasses, to thrive. The frozen ground prevents deep-rooted plants, like trees, from growing. Tropical alpine tundra areas are treeless plains on mountains at extremely ...

But in 2007, a fire ignited by lightning and fed by dried-out tundra grass raged for two months, claiming an area the size of Cape Cod. Lightning and storms were once extremely rare in northern ...

The Tusikpak Lake Fire was burning through tundra grass about 16 miles east of Point Hope on Monday, June 4, 2018. It was estimated at 2,000 acres as of Monday afternoon. (Photo by Ryan McPherson ...

grow lights are put out to help keep the grass growing as late into the season as possible. Put it all together, and Moynihan says there's no weather cold enough that could freeze the tundra at ...