| |
|
|
|
 |
|
Brilliant Bloom in the Baltic Sea
An explosion in the numbers of cyanobacteria transformed the Baltic Sea into a swirling canvas of green in summer 2025.
|
|
| |
|
|
|
 |
|
Whirling Dust and Ancient Floods
Now a flat and dusty desert playa, Oregon's Alvord Desert once held an expansive lake that was the source of catastrophic outburst flooding.
|
|
| |
|
|
|
 |
|
Arizona's Declining Groundwater
Decades of satellite observations show that the aquifers in the southern part of the state are ailing.
|
|
| |
|
|
|
 |
|
Italyâs Majestic Mount Etna
The volcanoâs long history of eruptions has influenced eastern Sicilyâs physical topography as well as how people interact with the land.
|
|
| |
|
|
|
 |
|
Rare Snowfall in the Atacama Desert
Snow infrequently falls in the high plains of northern Chile. And when it does, it doesn't last for long.
|
|
| |
|
|
|
 |
|
Cloud Streets Over the Laptev Sea
The striking cloud formation developed over Arctic waters north of Siberia in July 2025 as frigid air met warmer open water.
|
|
| |
|
|
|
 |
|
Wildfire Smoke Billows Over Northern California
Amid scorching heat and low humidity, the Green and Butler fires have burned tens of thousands of acres and choked nearby communities with smoke.
|
|
