According to the United Nations, a quarter of all people on the planet lack access to safely managed drinking water, and 40 percent of people live in areas where water scarcity is a problem.
March 2018 Puzzler
Every month, we offer a puzzling satellite or aerial image of Earth.
February 2018 Puzzler
Do you recognize this place?
What Climate Change Means for Glaciers, Storms, Fires, Clouds, and More
Haven't had time to read the 400 page report that explains how climate change is affecting our planet? Here are the cliff notes — and some striking satellites images that you won't soon forget.
Two Facts and a Falsehood
A. The northernmost part of the continental United States is in Minnesota. B. The Grand Canyon is the deepest canyon in North America. C. Geostationary satellites have a wider orbit than GPS satellites. Two of these statements are true. One of them is not. Give us your guess about which is false in the comment […]
What Caused Twin Mega-Avalanches in Tibet?
Scientists have pieced together why the ends of two neighboring glaciers collapsed in 2016.
Explorer 1: The Beginning of American Space Science
Sixty years ago next week, the hopes of Cold War America soared into the night sky as a rocket lofted skyward above Cape Canaveral
January 2018 Puzzler
Your challenge for the January 2018 satellite puzzler is to use the comments section to tell us what we are looking at, when the image was acquired, and why the scene is interesting.
Why the SoCal Fires are So Fierce
With thousands of homes threatened by intense wildfires burning in southern California, we checked in with NASA Propulsion Laboratory scientist Natasha Stavros to learn more about the destructive blazes.


