26 August 2008, 12:54 PM ET
Phoenix lander begins extended mission as it digs deeper trench.
22 August 2008, 10:15 AM ET
Phoenix lander delivers sample to oven, completes surface layer profile.
21 August 2008, 09:51 AM ET
Phoenix lander digging more trenches. More samples planned for analysis.
14 August 2008, 02:42 PM ET
Phoenix takes first image of single dust particle; highest magnification image ever taken off Earth.
11 August 2008, 12:31 PM ET
After more problems with soil clumping, Phoenix finally gets another dirt sample in oven.
05 August 2008, 02:00 AM ET
Phoenix detection of perchlorate doesn't preclude life on Mars.
04 August 2008, 06:37 PM ET
Phoenix detects compound harmful to life in dirt, working to confirm results.
04 August 2008, 01:01 PM ET
Reports that big Phoenix findings coming false, says mission leader.
01 August 2008, 10:32 AM ET
With confirmation of water ice, Phoenix still has work to do to see if Mars habitable.
31 July 2008, 03:30 PM ET
Phoenix mission extended one month as lander gets first ice sample, confirms water.
30 July 2008, 10:05 AM ET
Close-up images show cracks have developed in hard layer under Phoenix lander.
29 July 2008, 11:23 AM ET
Stickiness of icy dirt sample forces Phoenix to dry dirt again.
29 July 2008, 06:43 AM ET
Phoenix team lives on Mars schedule with lander, like being constantly jet-lagged.
27 July 2008, 09:51 PM ET
NASA will try again Sunday night to to get some dirt into the Phoenix Mars Lander's onboard oven, this time using a revised method.
27 July 2008, 10:38 AM ET
A scoop of icy martian soil was collected by NASA's Phoenix Mars Lander's robotic arm but is stuck on the scoop.
23 July 2008, 05:51 PM ET
Mission scientists to test plans to deliver ice sample to Phoenix instrument.
23 July 2008, 04:02 PM ET
Phoenix Mars Lander's team is looking to extend the spacecraft's mission on Mars.
22 July 2008, 09:51 AM ET
Phoenix Mars Lander schedule extended, taking atmospheric measurements.
18 July 2008, 02:37 PM ET
NASA's Phoenix Mars Lander will scoop up another test sample of ice.
16 July 2008, 04:19 PM ET
NASA's Phoenix Mars Lander successfully used its rasp and scoop to collect samples of Martian ice.
16 July 2008, 10:11 AM ET
NASA's Phoenix Mars Lander has begun to use its motorized rasp tool to grind into the hard ice on Mars.
16 July 2008, 09:52 AM ET
NASA orbiter finds widespread evidence rocks altered by water on early Mars.
15 July 2008, 10:24 AM ET
NASA's Phoenix Mars Lander instructed to extend trench to expose more ice.
11 July 2008, 10:44 AM ET
Phoenix Mars Lander sticks fork-like probe into Martian surface, uses second microscope for first time.
10 July 2008, 11:28 AM ET
New analysis of HiRISE image reveals heat shield, color swaths.
09 July 2008, 11:30 AM ET
NASA's Phoenix Mars Lander has been having trouble scraping dirt into its oven.
08 July 2008, 10:18 AM ET
Phoenix put second sample in wet chemistry lab, will compare results to first test.
03 July 2008, 01:51 PM ET
NASA's Mars Phoenix Lander's next whiff of Martian dirt could be its last.
02 July 2008, 12:09 AM ET
Future robots may cooperatively explore alien worlds.
01 July 2008, 03:10 PM ET
Phoenix uses rasp to scrape ice samples, will deliver to onboard instruments.
30 June 2008, 05:20 PM ET
Opportunity rover wheels closer to a cliff wall of Victoria Crater.
28 June 2008, 04:21 PM ET
NASA's Phoenix Mars Lander scrapes against ice layer in Wonderland digging area.
26 June 2008, 03:55 PM ET
NASA's Phoenix Mars Lander found evidence of minerals essential to life.
24 June 2008, 11:00 AM ET
NASA's Phoenix Mars Lander is gearing up to perform its first taste test of red planet's arctic dirt.
20 June 2008, 02:55 PM ET
NASA's Phoenix Mars Lander has "found proof" of water ice on Mars, scientists said.
20 June 2008, 10:37 AM ET
NASA's Phoenix Mars Lander found signs of water ice on the red planet.