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

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

Vishnu, an Earth Observatory reader, posed a great question after viewing “The Six-Million Mile View of Earth and Moon“: “I’ve never seen a photo like that. Was the background beyond Earth ...

For nearly 20 years, Jim Acker, a contract support scientist at the NASA Goddard Earth Science Data and Information Services Center (GES DISC), has helped oceanographers compile and study data ...

When asked how you get to Vandenberg Air Force Base, Boston University’s Brian Walsh and his Goddard Space Flight Center (GSFC) co-investigators are likely to reply “Practice, Practice, Practice” and ...

There are not many places in the open ocean that get their own special name as a “sea.” Most seas are what we call marginal seas – offshoots of the major ocean basins. The Sargasso Sea, as a vast ...

Land surface temperature is how hot the “surface” of the Earth would feel to the touch in a particular location. From a satellite’s point of view, the “surface” is whatever it sees when it looks ...

World Of Change Arctic Sea Ice Antarctic Sea Ice Columbia Glacier, Alaska Snowpack in the Sierra Nevada Global Temperatures Water Level in Lake Powell Yellow River Delta Coastline Change Sprawling ...

When we are doing work at sea, it hardly seems fair for NASA to hog the limelight. We are usually offering data from satellites, not ships, moorings, or gliders. There are partner agencies in the U.S.

Jason Budinoff, an aerospace engineer, cocked his head, listening for the sound of metal on metal. “Can you hear it?” someone asked. The room quieted, and a soft, tinny buzz whined from the instrument ...

We recently posted several striking pairs of satellite images of Caribbean islands before and after they were hit by Hurricane Irma. The images show lush, green vegetation turning a dark shade of ...

As category 4 Super Typhoon Usagi churned toward Taiwan on September 19, 2013, a satellite orbiting hundreds of miles above used a radar instrument to map the storm’s inner structure. The instrument ...