Greenland, the world’s largest island, is shrinking and shape-shifting. Since the peak of the last Ice Age about 20,000 years ago, the melting of its ice sheets has been easing pressure on the ...

Add Yahoo as a preferred source to see more of our stories on Google. On the island of Hawaii, Punaluu is famous for its black sand beach. (Matt Anderson Photography/Getty Images) The state of Hawaii ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...