HiRISE

Summer is Dust Devil Time on Mars

Just like Earth, Mars undergoes seasonal changes due to its axial tilt. And while summer heat on Mars can’t compare…

2 months ago

The Colorful Walls of an Exposed Impact Crater on Mars

Impact craters have been called the “poor geologists’ drill,” since they allow scientists to look beneath to the subsurface of…

2 months ago

Look down into a pit on Mars. The caved-in roof of a lava tube could be a good place to explore on the Red Planet

Want to look inside a deep, dark pit on Mars? Scientists and engineers using the HiRISE Camera on board NASA's…

9 months ago

This is Probably Sandstone Layers on Mars. Absolutely Beautiful

NASA's Mars Reconnaissance Orbiter (MRO) has been in orbit around Mars for almost 14 years. It carries a variety of…

10 months ago

It Hasn’t Rained on Mars for a Long Time, but These Sand Dunes Look Like Raindrops, and They’re Filled with Chemicals Made in Water

A recent image from the MRO shows rows of olivine-rich dunes in the Copernicus Crater on Mars, a feature that…

1 year ago

Different Conditions From Earth Drive the Movement of Sand Dunes on Mars

Mars is a sandy planet and the HiRISE camera on the Mars Reconnaissance Orbiter (MRO) has given us tons of…

2 years ago

A Meteoroid Smashed Into the Side of a Crater on Mars and Then Started a Landslide

The Mars Reconnaissance Orbiter (MRO) recently captured an image of an impact crater on Mars that triggered an avalanche that…

2 years ago

Did the Milky Way Steal These Stars or Kick Them Out of the Galaxy?

A new study by an international team of astronomers has determined that stars in the Milky Way's halo actually formed…

3 years ago

Huge Sheets of Ice Found Hidden Just Beneath the Surface of Mars

A recent study based on data from multiple orbiters indicates that Mars has multiple sheets of subsurface ice, and they…

3 years ago

These Streaks on Mars Could be Flowing Sand, not Water

A new study from the U.S. Geological Survey has revealed that recurring slope lineae on Mars could be the result…

3 years ago