Curious Mars

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Slope Failures in Tempe Terra On Mars

© NASA HiRISE

Slope Failures in Tempe Terra

Slope failures in the form of faulted blocks suggest modification of materials within this ancient basin, possibly related to recent glaciation.


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Help NASA Scientists Find Clouds on Mars

© NASA

Mars Imaged by Hubble

By identifying clouds in data collected by NASA's Mars Reconnaissance Orbiter, the public can increase scientists' understanding of the Red Planet's atmosphere.

Ridges in Eridania Basin On Mars

Ridges in Eridania Basin On Mars

Eridania Basin, located at the head of Ma'adim Vallis, has mounting geomorphic and spectral evidence that it may have been the site of an ancient inland sea.


Ridges And Troughs In Crater Ejecta On Mars

Ridges And Troughs In Crater Ejecta On Mars

Our science goal is to determine the nature of ridges and troughs in crater ejecta


Curiosity Takes Inventory of Key Life Ingredient on Mars

Curiosity Takes Inventory of Key Life Ingredient on Mars

Scientists using data from NASA's Curiosity rover measured the total organic carbon - a key component in the molecules of life - in Martian rocks for the first time.


Curiosity's Mastcam Views Flaky, Streambed Rocks

Curiosity's Mastcam Views Flaky, Streambed Rocks

NASA's Curiosity Mars rover captured this view of layered, flaky rocks believed to have formed in an ancient streambed or small pond.


Mars Reconnaissance Orbiter Releasing One of Its Last Rainbow-Colored Maps

Mars Reconnaissance Orbiter Releasing One of Its Last Rainbow-Colored Maps

The map, to be released in batches over six months, covers the vast majority of the planet, revealing dozens of minerals found on its surface.


Curiosity Captures Stunning Views of a Changing Mars Landscape

Curiosity Captures Stunning Views of a Changing Mars Landscape

For the past year, NASA's Curiosity Mars rover has been traveling through a transition zone from a clay-rich region to one filled with a salty mineral called sulfate.


InSight Gets a Few Extra Weeks of Mars Science

InSight Gets a Few Extra Weeks of Mars Science

As the power available to NASA's InSight Mars lander diminishes by the day, the spacecraft's team has revised the mission's timeline in order to maximize the science they can conduct.


A Long History of Flowing Water Recorded in Clay-Bearing Sediments on Mars

A Long History of Flowing Water Recorded in Clay-Bearing Sediments on Mars

A region on Mars may have been repeatedly habitable until relatively late in Martian history, says a new paper by Planetary Science Institute Senior Scientist Catherine Weitz.


Spring Fans And Polygons On Mars

Spring Fans And Polygons On Mars

Both water and dry ice have a major role in sculpting Mars' surface at high latitudes. Water ice frozen in the soil splits the ground into polygons.


Perseverance Examines Martian Cliffs

Perseverance Examines Martian Cliffs

NASA's Mars Perseverance rover acquired this image using its Left Mastcam-Z camera.


Uplifted Rocks In The Center Of A Martian Crater

Uplifted Rocks In The Center Of A Martian Crater

Impacts forming craters excavate holes deep into the ground, exposing rocks from far below the present surface.


Sinuous Aeolis Serpens and a Crater Rim On Mars

Sinuous Aeolis Serpens and a Crater Rim On Mars

Long, amazing, Aeolis Serpens "fluvial ridge" intersects a crater rim in this observation.


Layering in Far Eastern Candor Chasma On Mars

Context Camera images suggest that sedimentary layers here are organized into bundles of quasi-periodic beds.


Layers in Galle Crater On Mars

Layers in Galle Crater On Mars

This image shows a layered deposit in Galle Crater, located in the southern cratered highlands.


Possible Opaline Silica in the Central Uplift of Elorza Crater On Mars

Possible Opaline Silica in the Central Uplift of Elorza Crater On Mars

Elorza Crater is an approximately 40-kilometer diameter complex crater located at 304.8 degrees east, 8.76 degrees north, about 300 kilometers north of Coprates Chasma.


Among The Yardangs Of Medusae Fossae On Mars

Among The Yardangs Of Medusae Fossae On Mars

Is the sinuous ridge here a "fluvial-ridge," i.e., an inversion of a fluvial sediment deposit?



More top stories from July.