HiRISE
There are Important Differences Between the Ice Caps on Mars
In the 17th century, astronomers Giovanni Domenica Cassini and Christian Huygens noted the presence of hazy white caps while studying the…
Mars InSight Has One Last Job: Getting Swallowed by Dust on the Red Planet
Normally you don't want dust to get into your spacecraft. That was certainly true for the InSight mission to Mars,…
A New Map Shows Where Mars is Hiding all its Ice
Water will be one of the most important resources for human explorers on Mars. They'll need it for drinking, propellant,…
Amazing Video Takes Flight Across the Dunes of Mars
Mars may be a cold, dry, dead world, but it's still part of nature. As part of nature, it displays…
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…
The Tharsis Region of Mars is Peppered With These Strange Pit Craters. Now They’ve Been Found Elsewhere
Pit craters are found on solid bodies throughout our Solar System, including Earth, Venus, the Moon, and Mars. These craters…
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 Crater on Mars is Just a Couple of Years Old
Changes are always taking place on Mars, from factors like seasonal variations and wind. But there’s one other aspect that…