14 September 2012, 07:30 AM ET
Mars is the only place in the solar system known to host carbon dioxide snow.
11 September 2012, 01:48 PM ET
Many scientists believe Mars used to be a much nicer place to live, with a cloudy, Earth-like atmosphere and flowing water. At some point, Mars lost most of that atmosphere and its protective effects. NASA's MAVEN probe is designed to figure out why.
10 September 2012, 04:27 PM ET
Glavin works on the Mars rover Curiosity's Sample Analysis at Mars instrument, or SAM.
10 September 2012, 10:22 AM ET
Lava, not water, may have moistened ancient Mars, and could have limited its habitability.
09 September 2012, 11:47 PM ET
This computer-generated perspective view of Hadley Crater was created using data obtained from the High-Resolution Stereo Camera (HRSC) on ESA’s Mars Express in this space wallpaper.
06 September 2012, 10:14 AM ET
The Mars rover Curiosity is going strong on the Red Planet.
04 September 2012, 04:26 PM ET
Researchers may be able to use this information to learn more about comets' paths around the sun.
04 September 2012, 02:18 PM ET
The rover is driving to a site called Glenelg, where it will begin using its drill.
04 September 2012, 11:50 AM ET
This September skywatchers can catch a glimpse of four planets (Venus, Mars, Jupiter, and Saturn) as well as a visual trick in the constellation Capricornus that makes two stars look like one oddly enlongated star.
04 September 2012, 11:10 AM ET
MSL Flight Director Bobak "Mohawk Guy" Ferdowsi recaps Curiosity's week of messages from Mars and shows off the morse code of 'JPL' he shaved on the side of his head, just like the code left behind by the Curiosity rover's tire tracks.
03 September 2012, 08:00 AM ET
President Kennedy is presented with a model of the Mariner 2.
31 August 2012, 02:30 PM ET
Mars One plans to fund most of its activities via a global media event, something akin to "Big Brother" on Mars.
31 August 2012, 01:57 PM ET
Part of Curiosity's Martian mission is to determine if methane is still being created on Mars. It might be tectonic activity deep underground, but it's also possible that something living beneath the martian surface could be creating the gas.
30 August 2012, 05:14 AM ET
The president talked space in a surprise Reddit chat Wednesday (Aug. 29).
29 August 2012, 05:32 PM ET
Curiosity will be on the move for a while.
29 August 2012, 05:05 PM ET
NASA and will.i.am aimed to inspire students with the first broadcast of a song from Mars.
28 August 2012, 04:57 PM ET
The first song ever beamed to Earth from space was the will.i.am. tune "Reach for the Stars."
27 August 2012, 10:56 PM ET
In this space wallpaper, color panorama shows a 360-degree view of the landing site of NASA's Curiosity rover, including the highest part of Mount Sharp.
27 August 2012, 10:41 PM ET
In this space wallpaper, a chapter of the layered geological history of Mars is laid bare in this image from NASA's Curiosity rover.
27 August 2012, 06:03 PM ET
The tracks made by Mars rover Curiosity call to mind the bootprints left on the moon by Neil Armstrong.
27 August 2012, 05:18 PM ET
Rapper will.i.am has written a song called 'Reach for the Stars' that will premiere from space.
27 August 2012, 12:54 PM ET
The Mars rover Curiosity update begins at 5 p.m. EDT.
27 August 2012, 07:09 AM ET
Curiosity may stop short of answering the ultimate question: Is there life on Mars.
24 August 2012, 01:10 PM ET
One video gives a rover's-eye view of the touchdown in high resolution.
24 August 2012, 12:06 PM ET
The MARDI descent imager snapped away on on its descent to the surface of the red planet. The Mars Science Laboratory team at the Jet Propulsion Laboratory in Pasedena, California provided the play by play.
23 August 2012, 10:30 AM ET
Just after landing a rover on Mars, NASA announced another Red Planet mission for 2016.
22 August 2012, 06:29 PM ET
The huge robot imprinted "JPL" into the Martian surface to honor its maker.
22 August 2012, 05:02 PM ET
The MARDI descent imager snapped away on on its descent to the surface of the red planet. Now color corrected for a high quality viewing experience.
22 August 2012, 03:07 PM ET
Prior to rocketing to the red planet, Curiosity's Chemistry and Camera instrument (ChemCam) was tested at the Los Alamos National Laboratory in Los Alamos, NM. Its laser fired at an iron pyrite crystal, first at 3Hz (pulses per second) then at 10 Hz.
22 August 2012, 03:04 PM ET
The Mars Science Laboratory was taken on a test drive on August 22nd, 2012 (Sol 16 since the rover landed.) An image of the rover tracks and an animation of the movements it made are highlighted.
22 August 2012, 01:01 PM ET
Space agencies can learn from partnership failures like the ExoMars mission.
22 August 2012, 12:11 PM ET
Curiosity's colorful Adam Steltzer, Lead Engineer for Entry Descent and Landing at NASA's Jet Propulsion Laboratory, narrates the complicated choreography required to land a big, heavy rover safely on the surface of Mars.
22 August 2012, 06:30 AM ET
A team of 16 people is in charge of driving the 1-ton Curiosity rover.
21 August 2012, 01:35 PM ET
In preparation for its first drive on the Red Planet the Mars Science Laboratory moved its wheels around to check steering motions and tested its robotic arm that carries a "swiss army knife" set of tools to dig into Mars.
21 August 2012, 12:39 PM ET
Solar electric power could help return Mars samples to Earth.
21 August 2012, 12:09 PM ET
Launching in 2016 and based on the successful Phoenix lander, NASA's next Mars mission will look for clues to the formation of the red planet and its rocky siblings. Why, for example, does Mars exhibit little or no plate tectonics?