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This graphic depicts what Mars' atmosphere would have looked like to a viewer with ultraviolet-seeing eyes after a meteor shower on Oct. 19, 2014.
This graphic depicts what Mars' atmosphere would have looked like to a viewer with ultraviolet-seeing eyes after a meteor shower on Oct. 19, 2014.

Emission from Ionized Magnesium in Mars' Atmosphere After Comet Flyby

Researchers used the Pancam on NASA's Mars Exploration Rover Opportunity to capture this view of comet C/2013 A1 Siding Spring as it flew near Mars on Oct. 19, 2014.
Researchers used the Pancam on NASA's Mars Exploration Rover Opportunity to capture this view of comet C/2013 A1 Siding Spring as it flew near Mars on Oct. 19, 2014.

Mars Rover Opportunity's View of Passing Comet (Short Exposure)

The complex channel in this image captured by NASA's 2001 Mars Odyssey spacecraft is part of Olympica Fossae, and was most likely formed by the flow of lava.
The complex channel in this image captured by NASA's 2001 Mars Odyssey spacecraft is part of Olympica Fossae, and was most likely formed by the flow of lava.

Olympica Fossae

Oti Fossae are paired fractures with a downdropped block [called graben] located on the eastern flank of Arsia Mons as seen by NASA's 2001 Mars Odyssey spacecraft.
Oti Fossae are paired fractures with a downdropped block [called graben] located on the eastern flank of Arsia Mons as seen by NASA's 2001 Mars Odyssey spacecraft.

Oti Fossae

These lava flows in Elysium Planitia captured by NASA's Mars Odyssey are called platy flows. The surface of the lava flow cooled and solidified, while liquid lava beneath kept flowing.
These lava flows in Elysium Planitia captured by NASA's Mars Odyssey are called platy flows. The surface of the lava flow cooled and solidified, while liquid lava beneath kept flowing.

Platy Flows

This image from NASA's 2001 Mars Odyssey shows a landslide deposit in Ophir Chasma.
This image from NASA's 2001 Mars Odyssey shows a landslide deposit in Ophir Chasma.

Ophir Chasma

A stereo landscape scene from NASA's Curiosity Mars rover shows rock rows at 'Junda' forming striations in the foreground, with Mount Sharp on the horizon. You need 3D glasses to view this image.
A stereo landscape scene from NASA's Curiosity Mars rover shows rock rows at 'Junda' forming striations in the foreground, with Mount Sharp on the horizon. You need 3D glasses to view this image.

Martian Landscape With Rock Rows and Mount Sharp (Stereo)

NASA's Mars rover Curiosity drove 6.2 feet (1.9 meters) during the 100th Martian day, or sol, of the mission (Nov. 16, 2012). The view spans from north at the left to south-southeast at the right. It is presented in a cylindrical projection.
NASA's Mars rover Curiosity drove 6.2 feet (1.9 meters) during the 100th Martian day, or sol, of the mission (Nov. 16, 2012). The view spans from north at the left to south-southeast at the right. It is presented in a cylindrical projection.

Curiosity's Eastward View After Sol 100 Drive

The wide channel in this image captured by NASA's Mars Odyssey is Tinto Vallis.
The wide channel in this image captured by NASA's Mars Odyssey is Tinto Vallis.

Tinto Vallis

This image captured by NASA's 2001 Mars Odyssey shows a small portion of the large fracture called Cerberus Fossae.
This image captured by NASA's 2001 Mars Odyssey shows a small portion of the large fracture called Cerberus Fossae.

Cerberus Fossae

This image from NASA's Curiosity rover shows the great diversity of grains found on the surface of a Martian rock.
This image from NASA's Curiosity rover shows the great diversity of grains found on the surface of a Martian rock.

Texture of 'Gillespie Lake' Rock

Dunes cover the floor of this unnamed crater in the northern lowlands in this image captured by NASA's Mars Odyssey.
Dunes cover the floor of this unnamed crater in the northern lowlands in this image captured by NASA's Mars Odyssey.

Northern Dunes

This image taken by NASA's 2001 Mars Odyssey shows secondary channeling on a terrace of the huge Kasei Valles outflow system.
This image taken by NASA's 2001 Mars Odyssey shows secondary channeling on a terrace of the huge Kasei Valles outflow system.

Kasei Valles

This image from NASA's Mars Odyssey shows the southeast flank of Olympus Mons. This huge volcano is surrounded by an escarpment, a large cliff at the volcano margin; a landslide lies alongside the escarpment.
This image from NASA's Mars Odyssey shows the southeast flank of Olympus Mons. This huge volcano is surrounded by an escarpment, a large cliff at the volcano margin; a landslide lies alongside the escarpment.

Olympus Mons

The depressions in this image from NASA's Mars Odyssey likely formed due to both volcanic and tectonic forces. Tectonic forces likely account for some of the depressions, while collapse into lava tubes and lava flow erosion account for the remainder.
The depressions in this image from NASA's Mars Odyssey likely formed due to both volcanic and tectonic forces. Tectonic forces likely account for some of the depressions, while collapse into lava tubes and lava flow erosion account for the remainder.

Collapse Features

The sand dunes in this image are part of Olympia Undae, a huge sand sea located near the north polar cap as seen by NASA's 2001 Mars Odyssey spacecraft.
The sand dunes in this image are part of Olympia Undae, a huge sand sea located near the north polar cap as seen by NASA's 2001 Mars Odyssey spacecraft.

Olympia Undae

This image shows a portion of Samara Valles as seen by NASA's 2001 Mars Odyssey spacecraft.
This image shows a portion of Samara Valles as seen by NASA's 2001 Mars Odyssey spacecraft.

Samara Valles

The linear ridges in this image captured by NASA's 2001 Mars Odyssey spacecraft are located near the south polar cap.
The linear ridges in this image captured by NASA's 2001 Mars Odyssey spacecraft are located near the south polar cap.

Linear Ridges

With the changing of seasons comes changes in weather. This image from NASA's 2001 Mars Odyssey spacecraft shows clouds in the north polar region. The surface is just barely visible in part of the image.
With the changing of seasons comes changes in weather. This image from NASA's 2001 Mars Odyssey spacecraft shows clouds in the north polar region. The surface is just barely visible in part of the image.

Polar Clouds

One type of feature of scientific interest on the mountain inside Gale crater is exposure of cemented fractures, evidence that groundwater once reached to at least that height of the mountain. This image is from NASA's Mars Reconnaissance Orbiter.
One type of feature of scientific interest on the mountain inside Gale crater is exposure of cemented fractures, evidence that groundwater once reached to at least that height of the mountain. This image is from NASA's Mars Reconnaissance Orbiter.

Cemented Fractures in Mountain Inside Gale Crater on Mars

Channels are dissecting the flank of Apollinaris Mons in this image from NASA's 2001 Mars Odyssey spacecraft.
Channels are dissecting the flank of Apollinaris Mons in this image from NASA's 2001 Mars Odyssey spacecraft.

Apollineris Mons

This image of an area south of Olympus Mons shows a region where the wind has been an active agent in modifying the surface. Small linear dunes cover the surface in this image taken by NASA's 2001 Mars Odyssey spacecraft.
This image of an area south of Olympus Mons shows a region where the wind has been an active agent in modifying the surface. Small linear dunes cover the surface in this image taken by NASA's 2001 Mars Odyssey spacecraft.

Wind Power

The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. This false color image from NASA's 2001 Mars Odyssey spacecraft shows part of an unnamed crater in Tyrrhena Terra.
The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. This false color image from NASA's 2001 Mars Odyssey spacecraft shows part of an unnamed crater in Tyrrhena Terra.

Tyrrhena Terra - False Color

The dark lobed material in this image from NASA's 2001 Mars Odyssey spacecraft is a lava flow located northwest of the Elysium Volcanic Complex.
The dark lobed material in this image from NASA's 2001 Mars Odyssey spacecraft is a lava flow located northwest of the Elysium Volcanic Complex.

Lava Channel

This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of the summit caldera of Ascraeus Mons.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of the summit caldera of Ascraeus Mons.

Ascraeus Mons

Currently displaying images 1951-1975 of 3082
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