Earth

Earth Science
Earth
Ionosphere
Natural Disasters
Tsunamis

See NASA’s GUARDIAN Catch a Tsunami

A new data visualization illustrates how an experimental NASA technology can provide extra lead time to communities in the path of a tsunami. Called GUARDIAN (GNSS Upper Atmospheric Real-time Disaster Information and Alert Network), the software detects slight distortions in satellite navigation signals to spot hazards on the move..
Posted March 23, 2026
Earth
Surface Water
SWOT (Surface Water and Ocean Topography)
Water on Earth

SWOT Mission Unlocks a New View of Our Waterways

Explore how rivers move, change, and sustain life across the planet with SWOT data.
Posted March 23, 2026
Earth
Earth Observatory
Landsat 8 / LDCM (Landsat Data Continuity Mission)
Landsat 9
Life on Earth
Vegetation

A Fault Line in Full Bloom

Plains around the San Andreas Fault and across Carrizo Plain National Monument are awash with yellow as wildflowers bloom.
Posted March 23, 2026
Earth
Goddard Space Flight Center

NASA Laser Reflecting Instrument Makes GPS Satellite More Accurate

A NASA laser reflecting technology that will aid Global Positioning System (GPS) accuracy is now operational as of March 9. The instrument, known as a laser retroreflector array, or LRA, launched aboard GPS III SV-09, the ninth of U.S. Space Force’s Block III Global Positioning System satellites, on Jan. 27. LRAs are sets of mirrors […]
Posted March 19, 2026
Earth
Volcanoes

Lava Flows Down Mayon

The OLI (Operational Land Imager) on Landsat 8 acquired this rare, relatively clear image of  Mayon, the most active volcano in the Philippines, on Feb. 26, 2026. The natural-color scene is overlaid with infrared observations to highlight the lava’s heat signature.
Posted March 18, 2026
Earth
Earth Observatory
Earth Science
Earth Surface & Interior
Landsat 8 / LDCM (Landsat Data Continuity Mission)
Life on Earth
Topography
Vegetation

A Bit of Gray on an Emerald Isle

Ireland is best known for its many greens, but the striking grays of the island’s Burren region also stand out in satellite images.
Posted March 17, 2026
Earth
Landsat

2026 William T. Pecora Award Nominations Now Being Accepted

The William T. Pecora Award is presented annually to individuals or teams using satellite or aerial remote sensing that make outstanding contributions toward understanding the Earth (land, oceans, and air), educating the next generation of scientists, informing decision-makers, or supporting natural or human-induced disaster response.
Posted March 11, 2026
Earth
Earth Science
Jet Propulsion Laboratory
SWOT (Surface Water and Ocean Topography)
Water on Earth

US-French Satellite Takes Stock of World’s River Water

In a first, a space mission led by NASA and France has tracked Earth’s rivers swelling and shrinking from month to month over the course of a year and found significantly less of a swing than previous model-based estimates. A record drought in the Amazon likely influenced the tally made by the Surface Water and […]
Posted March 4, 2026
Earth

Sunglint on Atlantic Ocean

Sunlight beams off a partly cloudy Atlantic Ocean just after sunrise as the International Space Station orbited 263 miles above on March 5, 2025. This is an example of sunglint, an optical phenomenon that occurs when sunlight reflects off the surface of water at the same angle that a satellite sensor views it. The result is […]
Posted March 2, 2026
Earth
Landsat

Landsat 9: More Than Just A Picture

For over 50 years, the Landsat program has provided the longest continuous satellite record of Earth’s land surface from space. Landsat 9, launched in 2021, is the latest mission in this remarkable legacy.
Posted February 26, 2026
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