This is what gives the ocean its blue color. Another key difference between ice and liquid water lies in the role of molecular vibrations. In liquid water, H₂O molecules are free to move and ...

Jason St. Onge shared a photo online showing chunks of blue-hued ice piled up on the island's shore this week with the Mackinac Bridge in the background ... in a deep aqua color.

"The clear marine ice can vary in color from deep blue, to green, to even brownish yellow, depending upon the concentration of constituents in the sea water," Collin Roesler, an oceanographer at ...