Denali National Park’s famously beautiful Ruth Gorge might be the deepest such chasm in North America. That is, it would be if it weren’t filled with ice. To get its depth, researchers had to ...
While reliably snow-blanketed holidays might seem a thing of the past in Maryland and other parts of the East Coast—including ...
People were living in North America before Leif ... first people may have traveled over sea ice. The theory was one of many presented during December’s American Geophysical Union convention ...
If we keep burning fossil fuels indefinitely, global warming will eventually melt all the ice ... America. Compared with other continents, Africa would lose less of its land to the ultimate sea ...
The problem was that even in the summer the route was mostly blocked by impenetrable ice. On one of the best ... and development, the wider North American Arctic region of Alaska, Canada's ...