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This is a satellite view of wildfires across a portion of the Amazon Rainforest. The image shows popcorn clouds and wispy streaks of fire smoke over the forest and winding Amazon River. Overlayed across the image are hundreds of small red dots to mark the location of fires identified by satellite sensors.

Improving Fire Detection in the Amazon

NASA researchers are tweaking algorithms and combining data from multiple satellites to track tropical forest fires in Brazil.

Feature Article

Feb. 1, 2024

A screen capture from NASA's Earthdata Search that shows a user-defined geographic area of interest and the area covered by three granuales from a snow cover dataset.

Data Tool in Focus: Earthdata Search

Earthdata Search’s wide array of features and functionality makes finding the right data quick and easy.

Feature Article

Jan. 31, 2024

An artist's conception of the TROPICS SmallSat constellation in space over a tropical cyclone

Provisional TROPICS Data Now Available

Time-Resolved Observations of Precipitation structure and storm Intensity with a Constellation of SmallSats (TROPICS) Pathfinder data released.

Feature Article

Jan. 23, 2024

A color topographical map of Okmok volcano with labels for its caldera, cinder cones, and other features.

Keeping a Close Eye on Distant and Active Volcanoes

A NASA-funded study used cloud-based synthetic aperture radar data to measure changes in volcanoes in the remote Aleutian Islands.

Feature Article

Jan. 19, 2024

$Diffraction grating within the TEMPO instrument separates the light into different wavelengths to discern the unique patterns of the various pollutants.$

New Instrument Provides Hourly Measurements of Atmospheric Pollutants

NASA's Tropospheric Emissions: Monitoring of POllution (TEMPO) instrument will revolutionize air quality monitoring over North America.

Feature Article

Jan. 11, 2024

This two-layer graphic shows a yellow and white smiley face atop a land aerosol optical depth image collected by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Terra and Aqua satellites. The smiley face is placed on a white background gridded by 144 squares with thin blue lines. The grid is grouped into 16 larger tiles bordered by thicker blue lines. The MODIS image is placed below the smiley face and primarily consists of colors fading from dark blue to aquamarine.

New Standard Announced for Using GeoTIFF Imagery in the Cloud

The new standard allows for efficient downloading and processing of Geographic Tagged Image File Format (GeoTIFF) files.

Feature Article

Jan. 5, 2024

Data Tool in Focus: OpenAltimetry

OpenAltimetry lets users explore changes on Earth’s surface around the globe and over time, and all they need is a web browser.

Feature Article

Dec. 20, 2023

A black and white Synthetic Aperture Radar image showing increased water extent in the La Sabana River.

New Products Free Users from the Burden of Pre-Processing SAR Data

NASA's Observational Products for End-Users from Remote Sensing Analysis (OPERA) project releases two new analysis-ready products.

Feature Article

Dec. 11, 2023

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Feature Articles

Improving Fire Detection in the Amazon

Data Tool in Focus: Earthdata Search

Provisional TROPICS Data Now Available

Keeping a Close Eye on Distant and Active Volcanoes

New Instrument Provides Hourly Measurements of Atmospheric Pollutants

New Standard Announced for Using GeoTIFF Imagery in the Cloud

Data Tool in Focus: OpenAltimetry

New Products Free Users from the Burden of Pre-Processing SAR Data

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