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Lake Coatepeque

Set amid El Salvador’s modern, active volcanic landscape, tranquil blue waters fill a caldera formed by ancient eruptions.

Mar 9, 2026
Ailing “Megaberg” Sparks Surge of Microscopic Life

As Iceberg A-23A disintegrated, it shed meltwater that helped fuel an extensive phytoplankton bloom in the South Atlantic Ocean.

Mar 6, 2026
A Little Town with a Long Name

A NASA luminary from the Apollo era grew up in Wales near Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.

Mar 5, 2026
Searching for Selenite

Oklahoma’s Salt Plains National Wildlife Refuge attracts rare and diverse species—and enthusiasts looking for a distinct type of crystallized gypsum.

Mar 4, 2026
Smoke Rises Over Big Cypress National Preserve

The National fire has burned tens of thousands of acres within the Florida preserve, fueled by vegetation dried by prolonged drought and killed by recent frost.

Mar 3, 2026
Scoria Cones on Earth and Mars

The hill-shaped features are a sign of explosive volcanic activity—a rarity on the Red Planet.

Mar 2, 2026
Chesapeake Bay Locked in Ice

Nearly 50 years ago, the first Landsat satellite captured the rare sight of Mid-Atlantic waterways frozen over.

Feb 27, 2026
Dry-Season Floods Drench Northern Colombia

Villages and farmland were swamped after unusually heavy early-February rains pushed the Sinú River over its banks.

Feb 26, 2026
Landslide and Avalanche Debris Litter Hubbard Glacier

Satellite-based radar images show where a powerful earthquake in the Yukon, Canada, sent rock, snow, and ice spilling across the frozen landscapes of the St. Elias Mountains.

Feb 25, 2026
Showy Swirls Around Jeju Island

Winds blowing past the volcanic landmass near the Korean Peninsula created a trail of spiraling clouds, while murky water churned nearby.

Feb 24, 2026
Arctic Blast Brightened the West Florida Shelf

A cold snap in the southern U.S. stirred up a dazzling display of sediment in coastal waters.

Feb 23, 2026
Winds Whip Up Fires and Dust on the Southern Plains

Dry, gusty conditions spurred fast-growing fires in Oklahoma and Kansas, along with dangerous dust storms across the region.

Feb 20, 2026
Northern Glow Spans Iceland and Canada

A vivid display of the aurora lit up skies over the Denmark Strait and eastern Canada during a minor geomagnetic storm in February 2026.

Feb 19, 2026
A Second Cyclone Slams Madagascar

Widespread flooding affected tens of thousands of people after cyclones Fytia and Gezani drenched the island.

Feb 18, 2026
Home Reef Adds On

The Tongan volcano expanded its mid-Pacific real estate during its latest eruptive phase.

Feb 17, 2026
Surveying Popes Creek

George Washington was born along this tidal creek in Virginia and, as a teenager, made one of his first surveying maps of the surrounding lands.

Feb 16, 2026
Stonebreen’s Beating Heart

The glacier in southeastern Svalbard pulses with the changing seasons, speeding up and slowing its flow toward the sea.

Feb 13, 2026
NASA Flies Through a Volcanic Laboratory: Rincón de la Vieja 

An ecologist, a volcanologist, and a chemist walk into a forest… it sounds like the beginning of a bad joke, but this very real collaboration between scientists from NASA and the Universidad de Costa Rica (University of Costa Rica) continues decades of cross-disciplinary…

Feb 12, 2026
Reaching Top Speed in the Dolomites

Cortina d'Ampezzo, flanked by steep-sided mountain peaks, is the site of several skiing and sliding events in the 2026 Winter Olympics and Paralympics.

Feb 12, 2026
Summer Heat Hits Southeastern Australia

January brought blistering extremes Down Under as record temperatures scorched the nation’s southeast.

Feb 11, 2026
Winter Grips Japan

The country's northern regions are accustomed to snow, but unrelenting storms have snarled transportation and caused other challenges this winter.

Feb 10, 2026
A Grand, Snow-Rimmed Canyon

A dusting of white highlighted the Colorado Plateau around the deep gorge, while shadows created a visual illusion.

Feb 9, 2026
A Winter Blanket Covers North Carolina

In late January 2026, a strong, moisture-laden storm dropped snow across nearly the entire state, spanning from the Appalachians to the Atlantic Coast.

Feb 6, 2026
Milano Cortina 2026

About 2,900 Olympic athletes have converged on northern Italy to sort out who is the GOAT—or perhaps the stoat.

Feb 5, 2026
Chilled New York City

Ice in the Hudson River hugged the shore of Manhattan amid a deep freeze.

Feb 4, 2026
Cracking Antarctic Sea Ice

Icebreakers play a critical role in delivering supplies to America's largest research base in Antarctica.

Feb 3, 2026
Seasons Change in Southwest Virginia

From autumn color to a winter-white finish, forested areas around Blacksburg trade foliage for snow over the span of two months.

Feb 2, 2026
Extreme January Cold

Following a significant winter storm, frigid temperatures lingered in late January 2026 across a vast swath of the U.S.

Jan 30, 2026
The West Faces Snow Drought

Very wet—but very warm—weather in the western U.S. has left many mountainous regions looking at substantial snowpack deficits.

Jan 29, 2026
Snow Buries the U.S. Interior and East

Satellites observed a frozen landscape across much of the country after a massive winter storm.

Jan 28, 2026
Floods Inundate Southern Mozambique

Weeks of intense rain overwhelmed rivers and reservoirs, displacing hundreds of thousands of people.

Jan 27, 2026
Finding Freshwater in Great Salt Lake

Reed-covered mounds exposed by declining water levels reveal an unexpected network of freshwater springs that feed directly into the lake basin.

Jan 26, 2026
Winter Grips the Michigan Mitten

A blanket of snow spanned Michigan and much of the Great Lakes region following a potent cold snap.

Jan 23, 2026
Snow Buries Kamchatka

December and January brought a series of intense winter storms to the peninsula in far eastern Russia.

Jan 22, 2026
Fires Erupt in South-Central Chile 

Tens of thousands of people fled to safety as blazes spread throughout the country’s Biobío and Ñuble regions.

Jan 21, 2026
North America’s Greenhouse Hub

The expansion of greenhouses in southern Ontario is changing the appearance of the land surface—and the night sky.

Jan 20, 2026
How Long, Not Long 

After marching from Selma, Martin Luther King Jr. stood on the steps of the state capitol in Montgomery, Alabama, and called for nonviolence in the fight for equality and justice for all Americans.

Jan 19, 2026
Blooming Seas Around the Chatham Islands

A vibrant display of phytoplankton encircled the remote New Zealand islands.

Jan 16, 2026
Clouds Swimming over Lago Argentino

A collection of fish-shaped clouds hovered above the glacial lake in Patagonia in December 2025.

Jan 15, 2026
Fire on Ice: The Arctic’s Changing Fire Regime

An increasingly flammable landscape combined with more lightning strikes is leading to larger, more frequent, and more intense fires than the landscape is adapted for.

Jan 14, 2026
Fires on the Rise in the Far North

Satellite-based maps show northern wildland fires becoming more frequent and widespread as temperatures rise and lightning reaches higher latitudes.

Jan 14, 2026
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.

Jan 13, 2026
Fire Threatens Rare Forests in Argentina

Blazes spread across Los Alerces National Park, home to some of the world's oldest trees.

Jan 12, 2026
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.

Jan 9, 2026
Meltwater Turns Iceberg A-23A Blue

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

Jan 8, 2026
Plants and Algae Swirl Across a South African Reservoir

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

Jan 7, 2026
Video: Introduction to the Electromagnetic Spectrum

(Grades 9-12+) This 5-minute-long video provides an introduction to electromagnetic spectrum.

Jan 6, 2026
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.

Jan 6, 2026
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.

Jan 5, 2026
Lake Eyre Blushes

Rounding out a remarkable year, the outback lake displayed distinct green and reddish water in its two main bays.

Jan 2, 2026

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