Image: Atacama minerals

The Copernicus Sentinel-2 mission takes us over part of Chile's Atacama Desert, which is bound on the west by the Pacific and on the east by the Andes. The Atacama is considered one of the driest places on Earth—there are ...

Image: Solar evaporation ponds near Moab, Utah

An astronaut aboard the International Space Station took this photograph of solar evaporation ponds outside the city of Moab, Utah. There are 23 colorful ponds spread across 400 acres. They are part of a large operation to mine ...

Video: The pond scum that can kill

You've probably seen that pesky greenish stuff floating on lakes and ponds. Usually this pond "scum" is just a nuisance. But sometimes it is a horde of cyanobacteria—also known as blue-green algae—that can blossom into ...

Restoring seven ponds in seven days

Kicking off on 20 September, a conservation project in Norfolk is highlighting the vital role of ponds in the English countryside as part of a "seven ponds in seven days" restoration challenge.

Image: Qarhan Salt Lake

This false-colour composite image from the Kompsat-2 satellite shows part of the Qarhan Salt Lake on the Tibetan Plateau in China.

page 17 from 18