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, ...

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, ...

(Repost of an article on the Exelis Vis Imagery Speaks blog.) Over shorter times scales (Suomi-NPP completes an orbit every 100 minutes or so) multiple Day Night Band scenes stitched together show a ...

Examine the set of graphs below for a given city. Read carefully the temperature and precipitation scales on the graphs. Review the biome information. Two biome choices are given for each set of ...

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 ...

The Earth Observatory shares images and stories about the environment, Earth systems, and climate that emerge from NASA research, satellite missions, and models.

The concentrations of greenhouse gases in Earth’s atmosphere have risen rapidly during the past century, mainly because of fossil fuel burning. Some of the effects of this are pretty straightforward: ...

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, ...

Astronaut and scientist Piers Sellers is no longer with us, but his words still resonate. A posthumous plea from Sellers arrived in July 2018 in the form of an article in PNAS. The topic was one that ...

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 concentration of methane in the atmosphere has been fluctuating, mostly rising. The question is why. Scientists wonder if they have the right monitoring systems in place to answer that question ...

For centuries, if archaeologists wanted to find an ancient or mythical site, they trudged through desert sands or rainforest thickets armed with little more than rumors and hand-drawn maps. They ...