One of the world's most recognizable waterfalls is Niagara Falls.Located on the U.S.-Canada border, Niagara's three cataracts dump an average of 600,000 gallons of water per second.

Although freshwater environments, from creeks to rivers, brim with more than 10,000 species of fish, we may never get the chance to see many of these mysterious creatures as their populations decline.

The best science images of 2022. An almighty eruption, ... during a global effort to map the sea bed. ... The scene lies 2,000 parsecs (6,500 light years) from Earth. Credit: Ling Li. Credit: Ling Li.

St Audries Bay is a hidden gem beach located on the Jurassic Coast, which is made up of a mixture of pebbles, sand, shingles, and rock, and two waterfalls cascade down the cliffs onto the beach ...

Waterfalls pour off a Nordaustlandet ice cap in Svalbard, Norway, during an unusually warm summer in 2014. Courtesy of Paul Nicklen Ten photographs that made the world wake up to climate change ...