The Green River may have had some help from a dripping crust.
Ice does something unexpected to dissolving iron—and it could help explain the Arctic’s strange orange rivers.
Over two decades after a band bus dumped hundreds of pounds of human waste into the river, the Chicago River Swim raised $150,000 for ALS research and swim education programs.
"We’ve never seen them like we are now.”
More than 500 exceptionally preserved fossils are offering new clues about the evolution of Florida's animals and landscape.
Hundreds of human bones have emerged from the River Thames in the last two centuries, most of them prehistoric.