20 November 2009, 12:40 PM ET
NASA's second attempt to drive stuck Mars rover Spirit results in some small movement.
18 November 2009, 05:44 PM ET
NASA will make a second attempt to move stuck Spirit Mars rover.
17 November 2009, 12:02 PM ET
NASA has sent commands to move the stuck Spirit rover on Mars and are waiting to see what progress was made.
16 November 2009, 11:50 AM ET
NASA plans to send commands to move the stuck Spirit rover on Mars late tonight/early tomorrow.
13 November 2009, 07:17 AM ET
NASA's long-running Mars rover Spirit will begin critical drives for escaping a sand trap.
12 November 2009, 01:32 PM ET
Mission engineers have their final plans for attempting to extricate the Spirit rover from its sandy Martian trap.
31 October 2009, 12:30 AM ET
NASA’s Mars rover Spirit is suffering a new bout of amnesia.
12 October 2009, 04:58 PM ET
Go behind the scenes of NASA's Mars rover mission with rover driver Ashley Stroupe at JPL.
12 October 2009, 10:43 AM ET
NASA's Opportunity rover came across new meteorite three weeks after leaving another one.
14 September 2009, 10:01 PM ET
Efforts to free the stuck Spirit rover on Mars have been dragging on since May and today a NASA official said the robot may never get free.
26 August 2009, 04:44 PM ET
Dust storms over Spirit rover could limit energy resources when dust settles.
11 August 2009, 04:17 PM ET
A meteorite the size of a watermelon on Mars is revealing new clues into the planet’s environment.
03 August 2009, 12:05 PM ET
Mars rover Opportunity spots what could be a meteorite on surface of Mars.
23 July 2009, 03:01 PM ET
NASA engineers hold live webcast Q&A for Free Spirit endeavor.
19 July 2009, 09:10 PM ET
The Mars Spirit robot may be stuck in sand, but is still sending back amazing images.
15 July 2009, 08:17 AM ET
Mars geologist Steve Squyres is optimistic about humanity's chances of getting back to the moon — and even to Mars — in the coming decades.
13 July 2009, 04:50 PM ET
Engineers use test rover to try out movies to free Spirit from Martian Sand.
09 July 2009, 06:57 AM ET
Project Manager John Callas explains how sticking a test rover in a sandbox on Earth could help free Spirit on distant Mars.
30 June 2009, 02:56 PM ET
Test rover is set up in rig built mimic Spirit situation stuck in Martian sand.
29 June 2009, 05:41 AM ET
The public is sending NASA letters with suggestions on how to free its stuck rover Spirit from a sand trap on Mars.
26 June 2009, 07:14 PM ET
NASA has launched a new Web site to chronicle its efforts to save the Mars rover Spirit.
25 June 2009, 04:48 PM ET
23 June 2009, 10:58 AM ET
The United States and Europe are moving closer toward a full-scale collaboration in Mars exploration.
09 June 2009, 10:57 PM ET
At the JPL rover test bed, team members work to free the Spirit rover.
04 June 2009, 11:23 AM ET
Spirit used its robotic arm to take image underneath itself to get better view of sandy trap.
26 May 2009, 01:24 PM ET
NASA's Mars rover Opportunity hits 10 miles on the odometer.
21 May 2009, 02:05 PM ET
Opportunity finds evidence of water acting at Victoria crater; Mars could have had liquid water and still been cold.
21 May 2009, 01:46 PM ET
NASA working to get Spirit unstuck; no plans to retire rovers.
19 May 2009, 10:51 AM ET
Opportunity and Odyssey spacecraft aide in effort to free Spirit rover from Martian sand.
12 May 2009, 09:54 AM ET
NASA's Spirit rover's wheels are stuck in soft dirt on the Martian surface.
24 April 2009, 01:35 PM ET
Spirit begins driving again after recent bouts of amnesia.
20 April 2009, 08:23 PM ET
The Mars Rover Spirit "had a bout of temporary amnesia" on Friday, NASA officials said today.
15 April 2009, 07:06 AM ET
It's a visitor from...somewhere. But where? The Mars Exploration Rover Science Team gets a betting pool going over the origin of the only large rock for miles around; the very rock Opportunity managed to hit on its way to a final landing...
15 April 2009, 06:43 AM ET
Mobility is magic: The Rover team equips their wheeled field geologists with spectrometers, cameras and grinding gear. But the amount and quality of science is massivley multiplied just by moving Spirit and Opportunity around.
15 April 2009, 05:35 AM ET
The Rover team is amazed as Opportunity finds billions of "perfect little spheres" of iron-rich hematite, a strong suggestion that lots of water coursed across what is now the bone dry plains of Meridiani.
15 April 2009, 05:34 AM ET
Every piece of bedrock at Meridiani seems to tell a tale of vast amounts of liquid water, flowing over a long stretch of time; which begs the question: Does water still run on - or in - Planet Mars?