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

Just as the incoming and outgoing energy at the Earth’s surface must balance, the flow of energy into the atmosphere must be balanced by an equal flow of energy out of the atmosphere and back to space ...

Update on 4/25: This Landsat image shows Camp Hale-Continental Divide National Monument in the winter. Congratulations to Mike and Charles for being the first readers to identify the location. Every ...

The global ocean is made up of five major ocean basins: the Pacific, Atlantic, Indian, Southern and Arctic Ocean. The Pacific Ocean is the largest of these basins as well as the deepest. Its expanse ...

Earth Day (8,192 by 8,192 pixels, 9.1 MB JPEG) Earth Night (8,192 by 8,192 pixels, 4.2 MB JPEG) ...

The global ocean is made up of five major ocean basins: the Pacific, Atlantic, Indian, Southern and Arctic Ocean. The Pacific Ocean is the largest of these basins as well as the deepest. Its expanse ...

Vanguard II hangs in the atrium of the Earth sciences building at NASA’s Goddard Space Flight Center. Credit: NASA/Tabatha Luskey The shiny metallic orb hanging in the Earth sciences building at ...

Earth Day (8,192 by 8,192 pixels, 9.1 MB JPEG) ...

We have spent the last few weeks discussing the differences between inherent and apparent optical properties in the ocean and how we measure them. Now let’s take a moment to appreciate the information ...

For Earth Day 2019, NASA invites you to celebrate the planet we call home with our #PictureEarth social media event. NASA studies Earth as part of its mission. Our satellites and instruments ...

Remember the year 2000? Bill Clinton was president of the United States, Faith Hill and Santana topped Billboard music charts, and the world’s computers had just “survived” the Y2K bug. It also was ...