Mars Reconnaissance Orbiter

You Know it’s Spring on Mars When the Carbon Dioxide is Starting to Sublimate

The northern hemisphere of Mars is beginning to thaw from winter. But for the red planet, that doesn't mean that…

2 hours ago

Mars is Still an Active World. Here’s a Landslide in Nili Fossae

A image released by the MRO mission shows a landslide near the location where the Perseverance rover will land, illustrating…

2 weeks ago

Layers Upon Layers of Rock in Candor Chasma on Mars

In many ways, Mars is the planet that is most similar to the Earth. The red world has polar ice…

4 weeks ago

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…

3 months ago

This Martian Lava Tube Skylight is 50 Meters Across. The Biggest Lava Tube on Earth is Only 15 Meters Across

NASA's Mariner 9 was the first spacecraft to orbit another planet when it reached Mars in late 1971. It got…

3 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…

4 months ago

Perseverance and the Quest to Find Life on Mars

I remember the Summer of 1997 when a shoebox-sized Mars rover literally broke the Internet. Sojourner - the first rover…

5 months ago

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…

9 months ago