Lake Kivu is seen turning a light shade of blue in this image captured from space on April 20, 2016. (Image via NASA) Considered one of Africa's Great Lakes, Lake Kivu is an important waterway for shipping, fishing and providing drinkable water on the border between Rwanda and the Democratic Republic of Congo. When a recent, sudden color change occurred with the lake's water, residents and experts immediately took note. As documented by NASA's Terra and Aqua satellites from April...

Greenland no.62, 47”x70”, Soft pastel on paper, 2013 (Zaria Forman) With global temperatures rising precipitously, which the vast majority of climate scientists attribute to the buildup of greenhouse gases in the atmosphere, researchershave found that the world’s glaciers are melting faster than ever before. In 2015, the World Glacier Monitoring Service conducted acomprehensive study of global glacier changes — published in the Journal of Glaciology — and found that "the rates of early 21st century [glacial] mass loss are without...

In 1986, a nuclear explosion changed life forever in Pripyat, Ukraine. The Chernobyl disaster dumped radiation across Europe, contamination affecting life there as we know it– or so we thought. As the decades have passed, humans still stay away from the Chernobyl Exclusion Zone (CEZ), the 834-square-mile radius around the Chernobyl Nuclear Power Station. But animals have returned. And a new study shows that they're thriving. Using remote cameras in the Polesie State Radioecological Reserve, researchers captured images of animals...