A Plume of Bright Blue in Melissa’s Wake
A Plume of Bright Blue in Melissa’s Wake

The category 5 hurricane stirred up carbonate sediment near Jamaica in what scientists believe is the largest such event in the satellite record.

Ganges Delta Under a Winter Shroud of Fog
Ganges Delta Under a Winter Shroud of Fog

Low clouds blanketed the delta while parallel cloud bands rolled over the Bay of Bengal during a January cold wave.

Meltwater Turns Iceberg A-23A Blue
Meltwater Turns Iceberg A-23A Blue

After a four-decade run, the massive, waterlogged berg is leaking meltwater and on the verge of disintegrating.

Algae Swirls Across a South African Reservoir
Algae Swirls Across a South African Reservoir

Vivid green blooms form, drift, and fade in Hartbeespoortdam reservoir over the course of a year.

Reaching the Precipice in Angola 
Reaching the Precipice in Angola 

The Huíla plateau, bounded by dramatic cliffs and chasms, stands above the arid coastal plains in the country’s southwest.

An Amphitheater of Rock at Cedar Breaks
An Amphitheater of Rock at Cedar Breaks

The colorful formations found in this bowl-shaped escarpment in southwestern Utah are the centerpiece of Cedar Breaks National Monument.