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NASA Administrator Discusses Getting Humans to Mars

NASA Administrator Charles Bolden.

Administrator Charles Bolden outlined NASA's human exploration path to Mars during a keynote address at the April 22 Humans to Mars Summit 2014, held at George Washington University in Washington.

Beauty from Chaos on Mars

Osuga Valles

Beautiful streamlined islands and narrow gorges were carved by fast-flowing water pounding through a small, plateau region near the southeastern margin of the vast Vallis Marineris canyon system.

International Cooperation a Focus of From Here to Mars Senate Hearing

If we're going to send Humans to Mars it should be an international effort where cooperation with the Russia and other partners is essential. However relations with Russia have taken a decided cold turn of late including barring NASA from working with Russian colleagues unless it's directly related to the International Space Station.

Mars's Gusev Crater Once Held a Lake After All

If desert mirages occur on Mars, "Lake Gusev" belongs among them. This come-and-go body of ancient water has come and gone more than once, at least in the eyes of Mars scientists.

Odd Bright Spot on Mars Image Explained

Images taken by NASA's Curiosity Mars rover on April 2 and April 3 include bright spots, which might be due to the sun glinting off a rock or cosmic rays striking the camera's detector.

Opportunity Sees Its Shadow in Martian Spring

Late afternoon lighting produced a dramatic shadow of NASA's Mars Exploration Rover Opportunity photographed by the rover's rear hazard-avoidance camera on March 20, 2014.

ScienceCast: The Opposition of Mars

Earth and Mars are converging for a close encounter in April, an event astronomers call "the opposition of Mars."

Mars Reconnaissance Orbiter Finds New Gully Channel on Mars

A comparison of images taken by the HiRISE camera on NASA's Mars Reconnaissance Orbiter in November 2010 and May 2013 reveal the formation of a new gully channel on a crater-wall slope in the southern highlands of Mars.

Martian Sand Dunes in Spring

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

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.