Find the answer for World's longest river from the people who brought you the USA TODAY Daily Crossword Puzzle.

The Danube River is one of the most important waterways in Europe, with several major European cities located on its banks, ...

Rivers are the lifeblood of our planet, carving landscapes, supporting diverse ecosystems, and sustaining human civilisations for millennia. Flowing through deserts, mountains, forests, and plains, ...

First ever global assessment of the location and extent of the planet’s remaining free-flowing rivers highlights severe degradation, and offers a method for tracking the status of free-flowing rivers ...