The Largest 'Waterfall' In The World Is Situated Between Iceland And Greenland Hidden Underwater. Story by Atika Shubert • 1w. W aterfalls are some of nature's most mesmerizing displays of power.

This map shows the average surface temperature of Greenland in April 2016 relative to the average April temperature from 2001 to 2010. It was much warmer this year. Map by NASA Earth Observatory ...

Disregard what you learned in geography class—Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized the same lineup: Africa ...