High Resolution Imaging Science Experiment (HiRISE)
Melting Water in Mars’ Past Could Have Created Martian Gullies
A recent study published in Science examines how thin channels inside impact craters on Mars could have formed from Martian…
NASA’s HiRISE Camera Recently Imaged a Martian Dust Devil. But Why Study Them?
NASA recently used its powerful High Resolution Imaging Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter to take a breathtaking…
There's a Crater on Mars That Looks Like a Bear
Facial pareidolia is the human tendency or illusion of seeing facial structures in an everyday objects – such as seeing…
Beautiful Dunes on Mars, Sculpted by Swirling Winds
This interesting image from the HiRISE camera on the Mars Reconnaissance Orbiter shows a field of fascinating dunes called barchan…
This Ice Cliff is One of the Few Places With Exposed Water ice in the Mid-Latitudes on Mars. It’s Probably Tens of Millions of Years old
Because of the orbiters and landers that have studied Mars over the years, scientists have learned that water ice is…
This Bizarre Terrain on Mars is Caused by Water Ice and Carbon Dioxide
From orbit, this landscape on Mars looks like a lacy honeycomb or a spider web. But the unusual polygon-shaped features…
This is a Dust Avalanche on Mars
For decades, scientists have observed dark landslides called slope streaks on Mars. First seen by the Viking orbiters in the…
Here’s Perseverance, Seen From Space
The Mars Perseverance rover is on the move! The HiRISE camera on the Mars Reconnaissance Orbiter spotted the rover from…
Machine Learning Software is Now Doing the Exhausting Task of Counting Craters On Mars
Does the life of an astronomer or planetary scientists seem exciting? Sitting in an observatory, sipping warm cocoa, with high-tech…
Sediments on Mars, Created By Blowing Wind or Flowing Water
The HiRISE (High-Resolution Imaging Science Experiment) instrument on NASA's Mars Reconnaissance Orbiter (MRO) has given us a steady stream of…