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MAVEN orbiter arriving at Mars on September 21, 2014
Comets Siding Spring
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NASA Mars Spacecraft Ready for Sept. 21 Orbit Insertion - 09/17/2014
On Sunday, Sept. 21, 2014, the MAVEN spacecraft will complete its 442 million mile #JourneyToMars.Read More >>More info >>Tune in 9/21 for NASA TV 6:30 PT
Comet Siding Spring Science Workshop
Tune in Friday, Sept. 19, 8 a.m. - 2 p.m. PT for a live broadcast of a science workshop on what we know about the comet, and what Mars spacecraft will do to protect themselves during the close encounter.Read More >>Full Agenda >>
NASA's Mars Curiosity Rover Arrives at Martian Mountain - 09/11/2014
Curiosity reaches Mt. Sharp, the rover mission's long-term prime destination!Read More >>MSL Extended Mission 1 Science Plan >>Archived Briefing >>
Mars Rover Opportunity's Vista Includes Long Tracks - 09/09/2014
Wheel tracks from about a month of driving on Mars recede into the distance in a recent color view captured by the Pancam on NASA's Mars Exploration Rover Opportunity.Read More >>Watch Video >>
Recent Videos
MAVEN Targeting Mars - 09/08/2014
NASA's MAVEN spacecraft is quickly approaching Mars on a mission to study its upper atmosphere. When it arrives on September 21, 2014, MAVEN's winding journey from Earth will culminate with a dramatic engine burn, pulling the spacecraft into an elliptical orbit.Watch Video >>Related Article >>
We made it! Curiosity reaches Mount Sharp - 09/11/2014
After 2 years and nearly 9 kilometers of driving, NASA's Mars Curiosity has arrived at the base of Mount Sharp.Watch Video >>Read Article >>
Opportunity's Long Tracks on Crater Rim - 09/09/2014
Overhead and on-the-ground views of the 25-mile journey NASA's Opportunity Mars rover has made since landing in 2004.Watch Video >>Related Article >>
High-Def Video of NASA's 'Flying Saucer' Test - 08/08/2014
LDSD principal investigator Ian Clark takes us through a play by play of NASA's 'Flying Saucer' Test in Hawaii, showing us high-definition video shot from cameras on board and on the ground.Watch Video >>Read Related Story >>
Colliding Atmospheres: Mars vs Comet Siding Spring - 08/06/2014
Comet Siding Spring is about to fly historically close to Mars. The encounter could spark Martian auroras, a meteor shower, and other unpredictable effects. Whatever happens, NASA's fleet of Mars satellites will have a ringside seat.Watch Video >>
A Softer Trek to Mount Sharp - 08/05/2014
On the second anniversary of NASA Curiosity on Mars, the rover navigates a sandy valley on its way to Mount Sharp.Watch Video >>Read Related Story >>
Where are the Spacecraft?
Where is Curiosity?
Where are the Rovers?
Opportunity has reached Endeavour crater where it will spend time studying rocks never seen before. After a successful six-year mission, Spirit's mission has officially concluded. See the latest location maps  and  status reports.
Be A Mars Maker
Print your own 3D model of a Mars meteorite!Download Print File >>Mars Makers Home >>News Feature >>
Send a Postcard to Curiosity
Celebrate Curiosity's second year on Mars by sending the rover and the team a message.Send Postcard >>
Mars in The Palm of Your Hands
Tune in with Mars on the go.Download the Be A Martian App, on your Android, iPhone, Windows Phone and Tablets!More >>
Explore Curiosity's Journey in 3D
Follow Curiosity's drive and read about the latest updates on Curiosity's Journey on Mars!Start Now >>
Come explore Mars with us
Be part of exploration and discovery, and personally contribute to the expansion of human knowledge for all of us now, and as a legacy for those who follow.More >>
Ask Dr. C
Have you ever wondered why Mars is red?
Or, how big is the Mars Science Laboratory rover? Ask Dr. C, your personal Mars expert!More >>