With the help of icebreaking vessels, Saimaa’s icy waters remain navigable for much of the year. Read More...

Major cities in northwestern Europe shine bright in this nighttime photo, taken by an astronaut aboard the International Space Station. Read More...

Rivers overtopped their banks and submerged thousands of homes in Russia and Kazakhstan. Read More...

Researchers used satellite data to calculate the depth of water in this transient freshwater body. Read More...

Poppies are sparse, but yellow wildflowers are blooming in Southern California. Read More...

This reddish “burning mountain” of granite is the highest point in Namibia. Read More...