The millimeter-thick paperboard behaves just like plastic; it's strong, transparent, shapeable—and can hold boiling water.

Small dams across the U.S. are being removed for safety, water quality, and wildlife. And a desert in Chile yields water from ...

While so many of Earth's bodies of water are murky and polluted, this one in South America is absolutely pristine with crystal-clear views.

Water polo is a sport played in water between two teams of seven players, including one goalkeeper, all wearing matching coloured caps. Players attempt to score goals by throwing the ball into the ...