Researchers identify a new mechanism that allows avalanches containing a mixture of rock and ice to travel very long distances.

Trump Holds Call With Putin to Start Talks on Ending Ukraine War President Trump said he had “a lengthy and highly productive” call with President Vladimir Putin of Russia, their first ...

The Italian mountaineer Carel wants to be the first man to stand on the top of the Matterhorn. Since the climb is very difficult, he agrees to try it together with the British mountaineer Whymper. But ...