Mars TOP STORIES
The Central Peak Of A Large Impact Crater On Mars 
© NASA HiRISE
Mars Imaged by Hubble
Central peaks often reveal interesting minerals, so our primary goal with this observation is to examine bedrock minerals.
Curiosity Reroutes Away From 'Gator-Back' Rocks
NASA's Curiosity Mars rover spent most of March climbing the "Greenheugh Pediment" - a gentle slope capped by rubbly sandstone.
Banded Ridges In Hellas On Mars
Low lying areas in the Hellas region, which is the largest impact basin on Mars, often show complex groups of banded ridges, furrows, and pits.
Polygonal Dunes On Mars
Polygons are of great interest because they often indicate the presence of shallow ice or of desiccation such as in a mud flat. However, Nature sometimes seems too clever for us.
Two Generations of Windblown Sediments On Mars
This colorful scene is situated in the Noctis Labyrinthus, perched high on the Tharsis rise in the upper reaches of the Valles Marineris canyon system.
A Closer Look At Utopia Planitia
New views from ESA's Mars Express reveal fascinating ice-related features in Mars' Utopia region - home to the largest known impact basin not only on the Red Planet, but in the Solar System.
Collapse Pit In Mars Southern Polar Deposits
Do you see a dome or a pit? Sometimes it is hard to tell! In this case, the answer is that we're looking at a pit, if the title didn't already give it away.
A Crater with Debris Aprons in Tyrrhena Terra
This well-preserved impact crater in Tyrrhena Terra, northeast of Hellas Planitia, is approximately 6 kilometers in diameter.
Mounds Of Ice In Craters Give New Insight Into Mars' Past Climate
Newly discovered deposits of layered ice in craters scattered around Mars' southern hemisphere provide insights into how the planet's orientation controlled the planet's climate over the past 4 million years, according to a new study.
Strange Terrain Northeast Of Hale Crater On Mars
This image shows material almost completely filling an impact crater to the northeast of Hale Crater, perhaps water-rich ejecta from Hale itself.
Crater Trio In Lunae Planum, Mars
This image was taken on 22 March 2021 in the Lunae Planum region [16.74°N, 300.9°E] of Mars by the CaSSIS camera on the ESA-Roscosmos ExoMars Trace Gas Orbiter (TGO).
Ice-Exposing Scarps On Mars
There are steep scarps facing the poles of both hemispheres that expose thick (up to 100 meters or more) sections of nearly pure water ice.
Curiosity Views The Martian Scenery At Drill Hole Edinburgh
NASA's Curiosity Mars rover used its Mast Camera, or Mastcam, to capture this scene around a drill hole named "Edinburgh."
Star Dunes in Tyrrhena Terra, Mars
An amazing aspect of Mars that is captured in many HiRISE images is geologic diversity within a small area.
Defrosting Dunes in Kaiser Crater
The dark sand dune at the center of this observation is covered in a blanket of white seasonal ice in the winter.
Perseverance Looks Back At Its Wheel Tracks
NASA's Perseverance Mars rover looks back at its wheel tracks on March 17, 2022, the 381th Martian day, or sol, of the mission.
Icy Cliffs In Milankovic Crater On Mars
This area, on the western edge of Milankovic Crater on Mars, has a thick deposit of sediment that covers a layer rich in ice. The ice is not obvious unless you look in color.
More top stories from April.
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