Vast river network discovered buried beneath Sahara Desert
November 12, 2015, 12:43 a.m. by Bryan Nelson
Geological detective story proves that the Sahara had vibrant river systems not long ago.
Permafrost decomposes, releases carbon dioxide far quicker than once believed
October 28, 2015, 2:18 a.m. by Bryan Nelson
The findings represent bad news for climate change, as warming weather continues to thaw permafrost at alarming rates.
Even BP admits it: Some existing oil reserves are unburnable
October 17, 2015, 7:52 a.m. by Sami Grover
As the world moves away from fossil fuels, oil companies are trying to reposition themselves.
This is now the deepest lake in Iceland, thanks to melting glaciers
October 5, 2015, 10:08 a.m. by Jaymi Heimbuch
Jökulsárlón is considered one of Iceland's natural wonders, and it keeps growing.