Dr. Bill Boynton

Fans and ribbons of dark sand dunes creep across the floor of Bunge Crater in response to winds blowing from the direction at the top of the picture.

Ninth-grade, high-school students from Peoria, AZ analyze images of Mars.

Geological faulting has opened cracks in the Cerberus region that slice through flat plains and mesas alike.

This movie begins with an animation (artist's rendering) of NASA's Mars Reconnaissance Orbiter spacecraft above Mars. The scene zooms into an "X-ray" view of the spacecraft, revealing the High Reso...

The dunes and dust devil tracks in this VIS image are located on the plains of Planum Chronium.

Fans and ribbons of dark sand dunes creep across the floor of Bunge Crater in response to winds blowing from the direction at the top of the picture. The frame is about 14 kilometers (9 miles) wide.

A small basin (center foreground) lies below the southern rim of Melas Chasma, part of Valles Marineris.

Six views of the Martian moon Phobos captured by NASA's Odyssey orbiter as of March 2020. The orbiter's THEMIS camera is used to measure temperature variations that suggest what kind of material th...

Just as on Earth, volcanism and tectonism are found together on Mars. Here is an example: the ridges and fractures of Claritas Fossae are affecting or perhaps hosting the volcanic flows of Solis Pl...

NASA’s 2001 Mars Odyssey orbiter is depicted in this illustration.

This image captured by NASA's 2001 Mars Odyssey spacecraft shows a section of Nanedi Valles, located in Xanthe Terra.

This rainbow-colored map shows underground water ice on Mars. Cool colors are closer to the surface than warm colors; black zones indicate areas where a spacecraft would sink into fine dust; the ou...

This THEMIS image of rounded hills and ridges in Arcadia Planitia shows a very intriguing geomorphic feature that may be attributed to the presence of an icy-rock mixture of material. Smooth aprons...

Mars Odyssey Project Manager Gaylon McSmith, of NASA's Jet Propulsion Laboratory

Snow falls and ice and frost form on Mars, too. NASA's spacecraft on and orbiting the Red Planet reveal the similarities to and differences from how we experience winter on Earth.  

Five decades of successful NASA missions to the Red Planet, 1965-2015.

Large fractures have formed 'steps' in this region of Tempe Terra.

At the time this video was released, the Odyssey team had successfully completed the third trajectory correction maneuver to adjust the spacecraft's flightpath toward its final aimpoint for entry i...

Download a PDF of the Explore Mars Sticker.

A false-color mosaic focuses on one junction in Noctis Labyrinthus where Mars canyons meet to form a depression 4,000 meters (13,000 feet) deep.

A group of small, unnamed craters in the martian southern hemisphere is the first site captured by a group of middle school students who are operating the camera system onboard NASA's Mars Odyssey ...

Odyssey launched on Boeing's Delta II 7925 that uses nine strap-on solid rocket motors.

A large mound of sand and dune forms are located on the floor of an unnamed crater south of Rabe Crater in Noachis Terra.

Mars radiation levels are two to three times higher than around Earth.

The Thermal Emission Imaging System (THEMIS) camera on NASA's Mars Odyssey spacecraft has completed an unprecedented full decade of observing Mars from orbit.