Hikers in New Zealand risk polluting the “clearest lake in the world” with a microscopic alga carried on their boots.

When Earth first formed, it was too hot to retain ice. This means all the water on our planet must have originated from ...

White sand, crystal clear blue, green, turquoise coloured water and greenery are the highlights of the Havelock Islands.

A team led by a Rutgers-New Brunswick scientist has concluded water did not arrive as early during Earth's formation as ...