From the International Space Station, Expedition 42 Commander Barry Wilmore took this photograph of the Great Lakes and central U.S. on Dec. 7, 2014, and posted it to social media.
Cathy Cripps doesn't seem to worry about the grizzly bears and black bears that watch her work, but she is concerned about the ghosts and skeletons she encounters.
Scientists say the longest period on record of abnormally low Great Lakes water levels has ended, but it's uncertain whether the recovery is temporary or the beginning of a new long-term trend.
New University of Alaska Fairbanks research indicates that arctic thermokarst lakes stabilize climate change by storing more greenhouse gases than they emit into the atmosphere.
Extreme water-level fluctuations in the Great Lakes, including historic lows on lakes Michigan and Huron in 2013 and substantial upward trends in 2014, are creating serious challenges for many shoreline property owners, tourism-related ...
Update: The Utah Senate has passed a bill that will allow Salt Lake City businesses to ban cyclists from drive-thru lanes.
Beneath the calm waters of Lake Kivu lie vast but deadly reserves of methane and carbon dioxide, which Rwanda is tapping both to save lives and provide a lucrative power source.
Ohio's lawmakers are moving toward taking on the algae that has plagued Lake Erie in recent years.
Planet Earth boasts some very long rivers, all of which have long and honored histories. The Amazon, Mississippi, Euphrates, Yangtze, and Nile have all played huge roles in the rise and evolution of human societies. Rivers ...
Since 2010, detections of Asian Carp environmental DNA or "eDNA" have warned scientists, policymakers, and the public that these high-flying invaders are knocking on the Great Lakes' door. Scientists capture tiny DNA-containing ...