Every month on Earth Matters, we offer a puzzling satellite image. The July 2025 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking at, ...

Update: This Landsat 9 image shows an island group and its surrounding waters off mainland Mozambique. Congratulations to Mark for being the first reader to identify the location and to Yaakov ...

Update on May 27, 2025: This springtime Landsat image shows snow-covered tundra streaked with wind-blown sediment near Utqiaġvik, Alaska, the northernmost city in the United States. Congratulations to ...

Update: This Landsat image shows dried lakes on the Tibetan plateau in 1994. Congratulations to David Alegre and James Varghese for being the first readers to identify the location. Read more about ...

AVUELO has encountered one of the wettest and cloudiest dry seasons in memory. After a series of great acquisitions over core and important areas, our airborne science has stood down for several days ...

On February 6, 2025, after years of preparation and four months of intense planning, an aircraft with an advanced NASA instrument took off for the AVUELO campaign’s first survey in the tropics, while ...

Update on February 5, 2025: This Landsat image shows the Zavaritskogo (also called Zavaritskii) caldera in the Kuril Archipelago, between northern Japan and Russia’s Kamchatka Peninsula.

Satellite images of Earth at night have been a curiosity for the public and a tool of fundamental research for at least 25 years. They have provided a broad, beautiful picture, showing how humans have ...

After our adventures in Quebec and Greenland, it was now time for our last stop in this intense season of fieldwork. This time we were heading to the Canadian Northwest Territories (NWT).

Some 25 of us were up before 6 a.m. to head out on the bus from the hotel to Burlington International Airport to catch the C-130 aircraft, a military transport plane repurposed for NASA fieldwork, to ...

A few decades ago, the idea of predicting a disease outbreak via satellite was science fiction. But today, researchers can use environmental data to predict when and where some diseases are likely to ...

The night side of Earth twinkles with light. The first thing to stand out is the cities. “Nothing tells us more about the spread of humans across the Earth than city lights,” asserts Chris Elvidge, a ...