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satellite imagery

An interconnected network of bluish-gray ponds cuts through green wetlands. Larger lakes loom in the background.
Posted inResearch Spotlights

Neural Networks Map the Ebb and Flow of Tiny Ponds

Sarah Derouin, Science Writer by Sarah Derouin 13 April 202313 April 2023

Ponds play an outsized role in carbon emissions, but their size makes them hard to track. Enter machine learning.

Color view of Europa from Galileo that shows the largest portion of the moon’s surface at the highest resolution.
Posted inNews

Newly Discovered Salts May Exist on Icy Moons

by Derek Smith 23 March 202311 April 2023

For the first time in more than a century, scientists have identified new sodium chloride crystals. The discovery may reconcile puzzling spectroscopic images of Europa’s surface.

Image of red and orange mountain with a black background
Posted inNews

Active Volcanoes on Venus?

Javier Barbuzano, Science Writer by Javier Barbuzano 16 March 202316 March 2023

With a new look at old imagery, scientists may have found evidence of volcanic activity on Venus.

Acercamiento de un arbusto de lilas, mostrando flores rodeadas de hojas sobre un fondo de un cielo azul parcialmente nublado.
Posted inNews

Las hojas están brotando más temprano en el Sendero de los Apalaches

by Kate Hull 15 February 202315 February 2023

Imágenes satelitales de nuevas y brillantes hojas revelan cambios que producirán un efecto de cascada en diversos ecosistemas al este de los Estados Unidos.

Photo of a hilly, green area with scattered trees.
Posted inNews

Mapping Rwanda’s Trees from Above

by H. Mafaranga 13 February 202314 February 2023

Researchers used both aerial and satellite imagery, as well as machine learning, to map the carbon stock of every overstory tree in Rwanda—the first such inventory in the world.

A cloudy sky above a landscape of evergreens and trees lacking any leaves, a cascade of beaver ponds cuts through the forest. On the right side of one of the ponds, a moose stands with its head down, reflected in the water.
Posted inNews

Scientists EEAGER-ly Track Beavers Across Western United States

by Alka Tripathy-Lang 3 January 20233 January 2023

Efficiently tracking nature’s engineers—beavers—at the scale of entire watersheds over time is now possible, thanks to a new artificial intelligence–trained model called EEAGER.

Close-up of a flowering lilac shrub.
Posted inNews

Leaves Are Springing Up Earlier Along the Appalachian Trail

by Kate Hull 14 December 20225 September 2023

Satellite images of lustrous new leaves reveal changes that will have cascading effects on diverse ecosystems in the eastern United States.

Two-image animation of a location on Mercury’s surface showing a small impact event
Posted inResearch Spotlights

MESSENGER Reveals a More Dynamic Mercury Surface

by Morgan Rehnberg 28 September 202225 January 2023

Image pairs indicate that 99% of the planet’s surface could be altered in the next 25 million years.

Satellite image of clouds and ship tracks in the Pacific Ocean south of Alaska
Posted inNews

Tracking Climate Through Ship Exhaust

by Humberto Basilio 27 September 202218 October 2022

International regulations have reduced aerosol pollutants released from ships. Now, researchers want to use ship tracks to better understand the ambiguous effects that cleaner air has on climate.

A large wall of ice looms above a body of water, and a waterfall trickles down the ice near the center of the image.
Posted inNews

Alaskan Glaciers Advance and Retreat in Satellite Imagery

Katherine Kornei, Science Writer by Katherine Kornei 12 September 202212 September 2022

Researchers tracked 19 maritime glaciers in Kenai Fjords National Park over several decades and found that tidewater glaciers tended to experience less ice loss than other types of glaciers.

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Research Spotlights

Machine Learning Rediscovers Equations Governing Ocean Biogeochemistry

24 June 202624 June 2026
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Where Methane is Emitted Matters for Global Burden

18 June 202616 June 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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