HiRISE Views Splitting Dunes on Mars
This new HiRISE image shows a group of dunes on the surface of Mars. The mound in the center of this image appears to have…
HiRISE News
New HiRISE Image Reveals Dunes of the Southern Highlands of Mars
This newly released image from HiRISE shows sand dunes in the Southern hemisphere of Mars. Sand dunes are scattered across Mars and one of the…
NASA’s HiRISE Views Gullies in Winter Shadow
This newly released HiRISE image shows gullies on the surface of Mars. This is an odd-looking image. It shows gullies during the winter while entirely…
HiRISE Views the Colorful Hills of Juventae Chasma
This new HiRISE Image shows the hills of Juventae Chasma on Mars. There are many hills about 1 kilometer (3,280 feet) high in Juventae Chasma,…
NASA’s HiRISE Views Layered Deposits in Uzboi Vallis
This newly released image from NASA’s high resolution imaging science experiment (HiRISE) shows layered deposits in Uzboi Vallis. Layered deposits in Uzboi Vallis sometimes occur…
HiRISE Takes a Closer Look at Holden Crater
This newly released HiRISE image shows the Holden Crater on Mars. Holden Crater in southern Margaritifer Terra displays a series of finely layered deposits on…
HiRISE Views Viscous Flow Features on Mars
This new HiRISE image shows a mass of flow features on the surface of Mars. Viscous, lobate flow features are commonly found at the bases…
HiRISE Views an Inverted Fluvial Channel at the Martian Equator
This newly released HiRISE image shows a portion of an inverted fluvial channel in the region of Aeolis/Zephyria Plana, at the Martian equator. Channels become…
NASA’s HiRISE Views North Polar Layers of Mars
This newly released HiRISE image shows the North Polar layered deposits on Mars, which are a 3-kilometer (1.9-mile) thick stack of dusty water ice layers…
New HiRISE Image of Layers and Dark Dunes on Mars
This newly released HiRISE image shows layers of bedrock and dark dunes on the surface of Mars. Much of Mars’ surface is covered by fine-grained…
HiRISE Image Shows a New Crater on a Dusty Slope of Mars
This new HiRISE image shows a new impact site on a dusty slope of Mars. The image also shows several dark slope streaks due to…
New Impact Craters Help Unlock Clues About Mars
Astronomers use new craters on Mars to see beneath the dust blanket and determine the underlying rock compositions and textures. Mars is a dynamic planet….
HiRISE Views a Cluster of Impacts on Mars
This new HiRISE image shows a recent cluster of impacts on Mars. The dark spots in this enhanced-color infrared image are the recent impact craters…
New HiRISE Image Views Contrasting Colors of Crater Dunes and Gullies on Mars
This new HiRISE image shows dunes and gullies on the surface of Mars. Gullies are relatively common features in the steep slopes of crater walls,…
HiRISE Views Impact Ejecta on the Surface of Mars
NASA’s High Resolution Imaging Science Experiment (HiRISE) gets a closer look at impact ejecta on the surface of Mars. Impact ejecta is material that is…
Astronomers Show Similar-Looking Ridges on Mars Have Diverse Origins
A new study on polygon-forming ridges on Mars examines the Medusae Fossae region straddling the planet’s equator and similar-looking networks in other regions of the…
New HiRISE Image of Layered Bedrock in the Volcanic Plains of Lunae Planum
This new image from HiRISE shows the layered bedrock in the volcanic plains of Lunae Planum. The layered bedrock in this image was brought from…
New HiRISE View of the Changing Dunes of Wirtz Crater
This High Resolution Imaging Science Experiment (HiRISE) image reveals the changing dunes of Wirtz Crater on Mars. The large dark feature is a classic Martian…