Tag Archives: groundwater

Researchers pinpoint watery past on Mars

Researchers from Trinity College Dublin have discovered a patch of land in an ancient valley on Mars that appears to have held water in the not-too-distant past. In doing so, they have pinpointed a prime target to begin searching for past … Continue reading

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THEMIS: When groundwater escapes: Hydaspis Chaos

THEMIS Image of the Day, November 2, 2016. The region of hills and mesas at the top of this VIS image are part of Hydaspis Chaos, a typical area of “chaotic terrain.” Scientists think these form when groundwater under pressure … Continue reading

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THEMIS: Yuty Crater

THEMIS Image of the Day, June 14, 2016. This VIS image shows a small portion of Yuty Crater’s ejecta blanket. The crater is off the image to the right. The lobes of ejecta end in a raised ridge of material; … Continue reading

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Lakes in Noctis Labyrinthus: ancient habitable environments?

Groundwater circulation beneath a massive tectonic rift zone located along the flanks of some the Solar System’s largest volcanic plateaus resulted in the formation more than 3 billion years ago of some the deepest basins on Mars, according to a … Continue reading

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THEMIS: Aureum Chaos – false color

THEMIS Image of the Day, October 26, 2015. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations of … Continue reading

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Evidence of groundwater in Arabia Terra; if on Earth, could permit microbial colonization

Monica Pondrelli [Università d'Annunzio, Italy] and colleagues investigated the Equatorial Layered Deposits (ELDs) of Arabia Terra in Firsoff crater area, Mars, to understand their formation and potential habitability. [Their report appears in the Geological Society of America Bulletin.] On the … Continue reading

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Mars has lost an ‘Arctic Ocean’ of water

A primitive ocean on Mars held more water than Earth’s Arctic Ocean, and covered a greater portion of the planet’s surface than the Atlantic Ocean does on Earth, according to new results published today in Science. An international team of … Continue reading

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THEMIS: Atlantis Chaos false color

THEMIS Image of the Day, December 23, 2014. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading

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Meteoritic evidence of Mars water reservoir

NASA and an international team of planetary scientists have found evidence in meteorites on Earth that indicates Mars has a distinct and global reservoir of water or ice near its surface. Though controversy still surrounds the origin, abundance and history … Continue reading

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Gale Crater’s icy hydrological cycle

Gale Crater was once home to glaciers and other features of an icy hydrological system, says a team of scientists led by Alberto Fairén (Centro de Astrobiología in Spain and Cornell University). They base their work on images captured with the … Continue reading

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