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Martian Sand Dunes in Spring

Sand Dunes on Mars

Mars' northern-most sand dunes are beginning to emerge from their winter cover of seasonal carbon dioxide (dry) ice.

Lava Floods on the Ancient Plains of Mars

Daedalia Planum

Two distinct volcanic eruptions have flooded this area of Daedalia Planum with lava, flowing around an elevated fragment of ancient terrain.

Curiosity Adds Reverse Driving for Wheel Protection

Terrain that NASA's Curiosity Mars rover is now crossing is as smooth as team members had anticipated based on earlier images from orbit.

Martian Dunes Flying in Formation

In this image of a dune field on Mars in a large crater near Mawrth Vallis, some of the dunes appear to be in a V-shaped formation.

NASA Mars Curiosity Rover Report 14 February 2014

A NASA Mars Curiosity rover team member gives an update on developments and status of the planetary exploration mission.

Opportunity Heads Uphill After Solving 'Doughnut' Riddle

Researchers have determined the now-infamous Martian rock resembling a jelly doughnut, dubbed Pinnacle Island, is a piece of a larger rock broken and moved by the wheel of NASA's Mars Exploration Rover Opportunity in early January.

India's Mars Orbiter Spacecraft Completes 100 Days in Space

Mars Orbiter Spacecraft, India's first interplanetary probe, was launched by PSLV-C25 at 1438 hours on November 5, 2013 from Satish Dhawan Space Centre, Sriharikota.

Curiosity Drives On After Crossing Martian Dune

NASA's Curiosity Mars rover is continuing its traverse toward enticing science destinations after climbing over a dune spanning a gap in a ridge.

Mars Odyssey Moved To Make New Observations

NASA's Mars Odyssey spacecraft has tweaked its orbit to help scientists make the first systematic observations of how morning fogs, clouds and surface frost develop in different seasons on the Red Planet.

NASA Mars Orbiters See Clues to Possible Water Flows

NASA spacecraft orbiting Mars have returned clues for understanding seasonal features that are the strongest indication of possible liquid water that may exist today on the Red Planet.

Overflowing Craters Near Hephaestus Fossae on Mars

Large and small, hundreds of thousands of craters scar the surface of Mars, hollowed out by a multitude of asteroids and comets that impacted the Red Planet throughout its history.

NASA Mars Rover Curiosity Sees 'Evening Star' Earth

The rover's view of its original home planet even includes our moon, just below Earth.

A Spectacular New Impact Crater on Mars

Context Camera (CTX) images showed a likely new impact crater formed at this location between July 2010 and May 2012, and now a HiRISE image provides details about this recent impact event.

Go West, Young Rover

The team operating NASA's Curiosity Mars rover will likely drive the rover westward over a dune and across a valley with fewer sharp rock hazards than alternative routes.

Curiosity's View of Possible Westward Route

NASA's Curiosity Mars rover reached the edge of a dune on Jan. 30 and photographed the valley on the other side, to aid assessment of whether to cross the dune.

Curiosity Mars Rover Checking Possible Smoother Route

The team operating NASA's Mars rover Curiosity is considering a path across a small sand dune to reach a favorable route to science destinations.

Opportunity Rover Yields More Data on Changes to Mars' Environment

New findings from rock samples collected and examined by NASA's Mars Exploration Rover Opportunity have confirmed an ancient wet environment that was milder and older than the acidic and oxidizing conditions told by rocks the rover examined previously.