NASA's Curiosity Rover Touches Down on Mars

NASA's Planetary Science Program Endangered by Budget Cuts

Planetary science is NASA's most successful and inspirational program. It should not be gutted

Curiosity Rover Zeroes In on Traces of Past Habitats on Mars

At 10:31 P.M. Pacific time on August 5, NASA's Curiosity rover will begin the first direct search for habitable environments on Mars

Curiosity Leaves Earth for Mars

The newest Mars rover, Curiosity, dwarfs NASA's previous rovers in size and scientific prowess. John Matson reports

The Countdown, Episode 1: Earliest Spiral Galaxy, Earth as Art, the Pioneer Anomaly, a Rocket-Loving Gopher, 7 Minutes of Terror

Welcome to The Countdown, the Scientific American show that counts down the five coolest things happening now in space news.Episode 1: July 26, 2012 Story 5 Galaxies from the early universe usually look kind of lumpy or blobby, but scientists have spotted one with a spiral structure, making it look a lot like our own Milky Way galaxy.See Primordial Pinwheel: Astronomers Spot Oldest Prominent Spiral Galaxy Yet...

From Space to Soil in 7 Minutes [Slide Show]

Skiing To Mars: The Original Rovers

Digging Mars: Mars Science Lab Set to Blast Off

The Mars Phoenix mission revived hopes that the Red Planet may be habitable, preparing the way for a new rover to be launched this month

Mars Attacked: Planetary Scientists Vent Frustrations over Proposed Budget Cuts

New Museum Exhibit Invites Visitors to Smell the Moon, Nuke an Asteroid or Colonize Mars

NEW YORK CITY—"Beyond Planet Earth," the slick new exhibit on space exploration at the American Museum of Natural History, is thoroughly modern. It has an augmented-reality iPhone app that produces hovering, three-dimensional animations...

Curiosity's Storybook Wishes For Mars

NASA Scientists Fight Budget Cuts with "Bake Sale"

The sale is a protest of plans in President Obama's 2013 budget request to cut 21 percent from NASA's planetary science budget, and 38 percent from its Mars projects

The Long Hard Road to Mars

Sky Crane - how to land Curiosity on the surface of Mars

On 26th November 2011 at 15:02, NASA launched its Mars Science Laboratory mission. MSL is the latest in the organization’s nearly four decade long robotic presence on the red planet.

NASA's Mars Rover Curiosity Had Planetary Protection Slipup

The incident has become a lessons-learned example of miscommunication in assuring that planetary protection procedures are strictly adhered to

Curiosity Across the Stars

Wet Down: Warm, Wet Conditions on Ancient Mars May Have Been Confined to Subsurface

Mars has plenty of minerals that suggest a watery past, but that does not mean that the Red Planet once looked like Earth

Curiosity Gears Up to Zap Rocks in Huge Crater at Red Planet

Now that NASA's "seven-minutes of terror" have passed safely, the Mars Curiosity rover's exploratory mission is off and running. Over the next two years—probably more, if it's anything like the Opportunity or Spirit rovers—the Jeep-sized rover will explore its new home using a variety of tools...

Timeline of Mars Exploration, from 1960 to 2011 [Interactive]

Two Mars missions are scheduled to launch this month. How have their predecessors fared? Find out more in Exploring the Red Planet

Mars Rover Prepares for 7 Minutes of Terror

The Curiosity rover is set to begin exploring Mars on August 6. But first it has to land. John Matson reports