The Aquarius instrument was designed to study ocean salinity, but it is also making an important contribution to studies of the water cycle on land.
Published Jul 15, 2014
Views from the ground and from space are helping scientists understand how soil moisture affects U.S. agriculture.
Published Nov 25, 2015
Satellite sensors uncover a global view of the water hidden between soil particles.
Published Nov 12, 2015
The amount of water contained in the top few centimeters of soil is small on a global scale, but it is critical for agriculture analysts trying to monitor commodity production and humanitarian need.
Published Jun 2, 2018
An extreme rainfall event saturated the soil along the U.S. East Coast.
Published Oct 8, 2015
Harvey dropped buckets of rain on areas that were already very dry or very wet.
Published Aug 31, 2017
Eastern Australia has been hit particularly hard by drought, taking a toll on the region’s soil moisture and agriculture.
Published Aug 9, 2018Image of the Day Land Water Drought Human Presence Remote Sensing
The proportion of sand, silt, and clay contained in soil across the U.S. affects the amount of water it can hold.
Published Jan 9, 2016
Twin satellites are assessing the state of soil moisture and groundwater on the continent and around the world.
Published Apr 6, 2020
This photo shows the GOES-P satellite launching from Cape Canaveral, Florida, on March 4, 2010.
Published Mar 6, 2010
Sixteen operating satellites monitor Earth. Four more are scheduled to launch in 2014.
Published Jul 5, 2013
NASA's newest Earth-observing satellite soars into space aboard a Delta II rocket, tasked with improving weather forecasts and continuing long-term climate records.
Published Oct 29, 2011
The GRACE satellites can detect the movement and depletion of water supplies at and below Earth’s surface.
Published Sep 20, 2012
Landsat 7, NASA's newest Earth-observing satellite, launched without a hitch on April 15, 1999, at 2:32 p.m. EST from Vandenberg Air Force Base, California.
Published Apr 19, 1999
Approximately 19,000 manmade objects larger than 10 centimeters orbit the Earth. These images, based on models, show the distribution of orbital debris around Earth.
Published Sep 12, 2009
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