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 ...

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, ...

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, ...

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, ...

Your challenge is to use the comments section to tell us where it is, what we are looking at, and why it is interesting.

What exactly does it mean for storms to get “stronger”? Does it mean faster winds? A larger wind field? Lower pressure at the center? More rain and snowfall? Higher storm surges? “You have to remember ...

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

Landslides cause thousands of deaths and billions of dollars in property damage each year. Surprisingly, very few centralized global landslide databases exist, especially those that are publicly ...

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 ...

One of the greatest tools used by oceanographers today for measuring ocean processes is the CTD. CTD stands for Conductivity, Temperature and Depth. Conductivity is a measure of ocean salinity. The ...

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 ...