Mars Orbiter Shows Gullies on Mars Not Likely Formed by Liquid Water
Using data from NASA’s Mars Reconnaissance Orbiter, astronomers show that gullies on modern Mars are likely not being formed by flowing liquid water. This new…
HiRISE News
Mars Reconnaissance Orbiter Reveals Frosted Dunes on Mars
NASA’s Mars Reconnaissance Orbiter captured this image of sand dunes on Mars. Sand dunes cover much of this terrain, which has large boulders lying on…
New HiRISE Image of a “Fresh” Crater Near Sirenum Fossae
This new image from NASA’s Mars Reconnaissance Orbiter shows a 1-kilometer wide impact crater in the Sirenum Fossae region of Mars. The High Resolution Imaging…
HiRISE Images Reveal the Fading Scars of Mars Rover Landing
A series of observations from NASA’s Mars Reconnaissance Orbiter show how dark blast zones from the Curiosity rover have faded inconsistently. The High Resolution Imaging…
Orbiter Examines Clues to Possible Water Flows on Mars
Using images from NASA’s Mars Reconnaissance Orbiter, several new studies examine recurring slope lineae on Mars and possible water flows. NASA spacecraft orbiting Mars have…
Linear Gullies on Mars Caused by Sliding Dry-Ice
By examining images from NASA’s Mars Reconnaissance Orbiter and performing experiments on sand dunes in Utah and California, researchers believe that marks on the Martian…
Color HiRISE Image of Curiosity Rover on Mars
The HiRISE camera on NASA’s Mars Reconnaissance Orbiter captured this color-enhanced image of the Curiosity rover on Mars as it begins to explore the Gale…
A Connection Between Volatiles in the Subsurface of Mars and the Impact Process
While examining detailed images of Martian impact craters from the HiRISE camera, Western University scientists discovered further evidence for the interaction between subsurface volatiles and…
NASA Detects Movement in Martian Sand Dunes
Over the last two years researchers have been monitoring the sand movement on Mars with the HiRISE camera. They found that even with a thinner…
Corkscrew Lava Coils Seen on Mars in Athabasca Valles
NASA’s HiRISE spacecraft, which is currently orbiting Mars, spotted these interesting patterns, which are actually rare lava flows. This is the first time that lava…
Image of Twister in Action on the Surface of Mars
A recent image captured by the High Resolution Imaging Science Experiment camera on NASA’s Mars Reconnaissance Orbiter shows a twisting column of dust more than…
HiRISE Images Show Old NASA Mars Lander
Recent images from the High-Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter show the three-petal lander of NASA’s Mars Exploration Rover Spirit…
