Cold Dunes
HiRISE PICTURE OF THE DAY: 11 MAY 2026

Cold Dunes, Cold Planet

This observation features dunes at high latitude with frost well into summer. This image footprint is in Planum Boreum at the South Pole of Mars. With this picture, we can acquire repeat observations to track changes over time.



100,000 Image of Mars!
On 7 October 2025, the HiRISE camera aboard MRO acquired an image of the Syrtis Major plains that marks over 100,000 images of Mars, which is a fabulous milestone!
HiRISE Image of Exocomet 3I/ATLAS
On 2 October 2025, MRO turned away from Mars to image 3I/ATLAS, only the third interstellar object ever observed passing through our solar system!

HiRISE Instrument News
HiRISE Instrument News
Since mid-2023, our RED4 CCD has operated only intermittently due to a hardware issue, creating gaps in the middle of some image products and reducing the color swath to 1 CCD width. We continue to command RED4 in all observations and it returns data approximately 50% of the time

A Fissure near Cerberus Fossae
The linearity of the volcanic vent in this observation, along with evidence of lava flow from the vent, suggests control by combined volcano-tectonic processes.