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Countdown Nears: Final Tests
July 14, 2009
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This image show a fan-shaped deposit where a channel enters a crater. This suggests that water once flowed through the channel into a crater lake, depositing material in a similar manner to river d...
Fluvial Fan on a Crater Floor (3-D)
Shown here is a stereo pair of a well-preserved impact crater about 6 or 7 kilometers wide from rim to rim.
Another Well-Preserved Impact Crater (3-D)
This false-color animation simulates a fly-around look at one of the places on Mars where dark streaks advance down slopes during warm seasons, possibly involving liquid water or brine. This site i...
Animation of Site of Seasonal Flows in Hale Crater, Mars
Aonia Terra Dune Field
Aonia Terra Dune Field
This beautiful observation shows a gorgeous pattern of dust devil tracks.
Dust Devils on Mars
The battered region of Arabia Terra is among the oldest terrain on Mars.
Arabia Dunes
This image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter shows gullies near the edge of Hale crater on southern Mars. The view covers an ...
Gullies at the Edge of Hale Crater, Mars
This series of images shows warm-season features that might be evidence of salty liquid water active on Mars today.
Warm-Season Flows in Well-Preserved Crater in Terra Sirenum (Six-Image Sequence)
This picture was taken during the Martian summer with only small patches of ice remaining at the surface; they show up as bright, somewhat blue, spots on slopes that provide some shading from the Sun.
Sand Dunes Near the North Pole
The High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter acquired this image of the Opportunity rover on the southwest rim of "Santa Maria" crater on New...
Mars Orbiter Sees Rover Opportunity at Crater Edge (Annotated)
Two types of wind-blown sedimentary deposits are pictured in this scene of the floor of Ius Chasma in the Valles Marineris.
Dunes and Ripples in Valles Marineris (3-D)
NASA's Mars Reconnaissance Orbiter has clocked more than a decade of service at the Red Planet and has yielded scientific discoveries and magnificent views of a distant world. These images taken by...
Magnificent Mars: 10 Years of Mars Reconnaissance Orbiter
The Cerberus Fossae are a group of troughs in the Cerberus region of Mars that run roughly parallel to one another. They formed due to extension of the crust in the region. Some of the troughs, suc...
Vent in the Cerberus Region (3-D)
NASA's Mars Exploration Rover Opportunity has been working on Mars since landing inside Eagle Crater on Jan. 25, 2004 (Universal Time; evening of Jan. 24, Pacific Standard Time).
Opportunity's First Decade of Driving on Mars
This image covers a "fresh-looking" impact crater with a diameter of about 2 kilometers (1.2 miles).
Many Gullies in a Fresh Impact Crater (3-D)
This image from NASA's Mars Reconnaissance Orbiter shows Aram Chaos, an ancient impact crater that lies within in the Southern Highlands of Mars. Uplifted blocks are composed largely of the iron-ox...
Uplifted Blocks of Light-Toned Layered Deposits
Impact cratering and erosion combine to reveal the composition of the Martian underground by exposing materials from the subsurface.
Clay Minerals in Craters and Escarpments on Mars (Figure 2)
This HiRISE image shows a portion of interior layered deposits (ILD) in Juventae Chasma. Juventae Chasma is a large depression near the equatorial canyon system Valles Marineris.
Interior Layered Deposits in Juventae Chasma
This graphic shows the ongoing contributions of NASA’s rovers and orbiters during a Martian dust storm that began on May 30, 2018.
Mars Storm Watch Observations
Mars's seasonal polar caps are composed primarily of carbon-dioxide frost.
Seasonal Processes-Omega Sublimation
This map shows where NASA's Mars rover Curiosity has driven since landing at a site subsequently named "Bradbury Landing," and traveling to an overlook position near beside "Point Lake," in drives ...
Curiosity Rover's Traverse, August through November 2012
Mawrth Vallis contains clay minerals that formed by chemical alteration of rocks by water. The central part of the image is dominated by light-toned materials with curving fractures of many differe...
Mawrth Vallis Closeup (3-D)
Sand dunes are among the most widespread wind-formed (aeolian) features present on Mars.
Dune Composition (3-D)
These images were taken of comet C/2013 A1 Siding Spring by NASA's Mars Reconnaissance Orbiter on Oct. 19, 2014, during the comet's close flyby of Mars and the spacecraft.
First Resolved Image of a Long-Period Comet's Nucleus
This map traces where NASA's Mars rover Curiosity drove between landing at a site subsequently named "Bradbury Landing," and the position reached during the mission's 130th Martian day, or sol, (De...
Curiosity Traverse Map, Sol 130
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