More than 30 years of unique archived data from Landsat Earth observation satellites now are available free of charge from the European Space Agency.
Thumbs up for NPP Satellite VIIRS Sensor
The Visible Infrared Imager Radiometer Suite (VIIRS), the largest instrument on board the new NPP Earth observation satellite, acquired its first measurements on Nov. 21, 2011.
How Should We Pay for Earth Observation Data?
Earth observation data have become a critical part of our lives, offering valuable information on climate change, pollution, security and a host of other applications”so what's a fair price?
Memory of the World Register Honors Landsat
Landsat's Multispectral Scanner archive of 652,000 Earth images joins the Gutenberg Bible and Tolstoy's personal library in UNESCO's effort to preserve documentary heritage around the world.
Lost Libyan Civilization Discovered from Space
Satellite and aerial imagery have uncovered new evidence of a lost Libyan civilization in the southwestern Sahara desert that will help rewrite the country's history.
Legendary Landsat 5 May Be Nearing Its End
U.S. Geological Survey has stopped acquiring images from the 27-year-old Landsat 5 Earth observation satellite due to a rapidly degrading electronic component.
Landsat 5 Images Show Shrinking Salt Lake
Underscoring the informative power of time-series satellite imagery, these striking images chronicle the withering of Iran's Lake Orumiyeh, one of the world's largest landlocked salt lakes.
Brazil's Offshore Oil Leak”What's the Real Damage?
Chevron says up to 330 barrels total have spilled into the ocean since Nov. 8, while Brazil counters with a claim of 230 barrels a day”and several groups say satellite images indicate it's much worse.
New NPP Satellite Nearly Operational
NASA's NPP satellite, launched Oct. 28, already is returning data that will better identify the transport of water vapor associated with jet streams, which can fuel severe weather events.
How Does an Astronaut Take out the Trash?
That's easy”stuff it into a used cargo spacecraft and send it back toward Earth, where it incinerates on the way down. This astronaut photograph highlights the re-entry plasma trail of one such spacecraft.
