Image of the Day

The waters off of the Alaskan coast usually come alive each spring with colorful swirls of phytoplankton.

Charles Darwin’s book, The Voyage of the Beagle, cast a spotlight on the Galapagos, which he called “a little world within itself.”

Thin layers of lighter and darker blues reveal the many layers of the atmosphere.

The Strait of Georgia turns milky green due to an “unprecedented” explosion of coccolithophores.

Despite the bay’s calm waters, constant reminders of the city break through.

Salt and wind have painted a colorful, swirling landscape in the highlands of central Chile.

Dunes grow upon dunes in one of the most visually spectacular places on Earth, as least from an astronaut’s perspective.

In May 1980, a satellite watched the mountain violently erupt; satellites over the next forty years watched it recover.

Dry, hot conditions in Colorado helped lead to the state’s third-largest wildfire in history.

Satellites detected an eruption from a seamount near Tonga’s largest island.

A rare and somewhat obscure phenomenon visited the country.

Lands along the Priest River show a human hand at work.

Situated on the Idaho-Utah border, it is one of the bigger lakes in the Rocky Mountains.

A sweeping view of Tenerife shows the island from summit to sea.

Two days of heavy rain led to catastrophic dam failures and major flooding in Midland County.

Chile’s Salar de Atacama has the world’s largest reserve of lithium, which is a key ingredient in rechargeable batteries. Lithium-rich brine is pumped to the surface and shunted through a network of canals to shallow evaporation ponds lined with plastic. Then the region’s relentlessly dry, sunny, and windy weather evaporates the brine and leaves behind deposits of lithium and other salts.