For more than a century, the Green River's course through the Uinta Mountains in Utah's northeast has been a geological mystery, seemingly defying physics. Rivers carve their paths by flowing downhill ...

The Green River defies gravity: it flows through 99 miles of mountains thanks to movements hidden beneath the surface.

A strange uphill river has been puzzling minds for generations. Now, a team of experts has found a few answers as to why the ...

Scientists may have cracked the mystery behind one of North America’s most significant river systems, understanding how a river managed to cut through a Utah mountain range that’s been around for ...

From above, Antarctica looks simple. Just a massive white continent at the bottom of the world. Endless ice. Endless cold. For centuries, explorers and ...