25 June 2013, 02:39 PM ET
Can we get to Mars if we don't mine the moon?
24 June 2013, 06:27 AM ET
The Zoe robot's work in the Atacama could help plan out a life-hunting Mars mission.
19 June 2013, 04:28 PM ET
This space wallpaper is a scaled-down version of a full-circle view, which combined nearly 900 images taken by NASA's Curiosity Mars rover.
19 June 2013, 03:53 PM ET
Viewers can zoom in and pan around the huge image.
18 June 2013, 01:15 PM ET
A House Science space subcommittee bill would direct NASA astronauts back to the moon.
17 June 2013, 03:48 PM ET
LEGO will produce a fan-built model of NASA’s Mars rover Curiosity.
17 June 2013, 02:28 PM ET
A methane-sniffing Mars orbiter is on track to launch in January 2016.
14 June 2013, 06:32 AM ET
Light materials such as plastic help block galactic cosmic rays.
13 June 2013, 03:20 PM ET
Future explorers on Mars will have to deal with high concentrations of the toxic chemical perchlorate.
13 June 2013, 11:29 AM ET
The MAVEN mission to Mars will use an Ultraviolet Spectrograph (IUVS) to study the extremely thin Martian atmosphere. This will help scientists better understand what happened to liquid water on the planet.
12 June 2013, 05:01 PM ET
The features apparently form in the early Martian spring.
11 June 2013, 04:54 PM ET
A boron-rich rock from Mars suggests the Red Planet once had the right chemistry to give rise to RNA.
11 June 2013, 12:49 PM ET
Fusion could potentially open vast swathes of the solar system to manned exploration.
11 June 2013, 12:27 PM ET
A few ideas that could open up the solar system to human exploration.
11 June 2013, 11:43 AM ET
This beautiful space wallpaper is a mosaic of Kasei Valles, comprising 67 images taken with the High Resolution Stereo Camera on ESA’s Mars Express. This image was released June 6, 2013.
07 June 2013, 04:00 PM ET
Nobody knows what the record, set more than 40 years ago on the moon, actually is.
07 June 2013, 02:27 PM ET
The latest signs come from NASA's venerable Mars rover Opportunity.
05 June 2013, 06:51 PM ET
There are apparently no plans to study the purported rodent.
05 June 2013, 04:34 PM ET
Curiosity should depart for the base of Mount Sharp in a few weeks.
03 June 2013, 07:00 AM ET
The project will study how people can live and work together under stressful conditions.
31 May 2013, 07:07 PM ET
The purported Red Planet rodent even has its own Twitter account.
31 May 2013, 02:57 PM ET
Is it a rat? Or is it a rock? (It's a rock.)
31 May 2013, 01:05 PM ET
The robots will have to navigate a mock alien terrain and collect samples all by themselves.
31 May 2013, 07:00 AM ET
Traditional chemical rockets are too slow to keep crews safe in deep space.
30 May 2013, 02:01 PM ET
The pebbles seen by the Curiosity rover provide more evidence that water once flowed on Mars.
30 May 2013, 02:00 PM ET
The crew of a Mars-bound mission would face significant radiation and cancer risk en route.
28 May 2013, 12:22 PM ET
Curiosity has been busy since landing on the Red Planet on Aug. 5, 2012.
27 May 2013, 07:00 AM ET
Mars-size exoplanets could be visible with the Spitzer Space Telescope, according to a new proposal.
25 May 2013, 01:29 PM ET
In less than a week, students from around the world will gather in a remote desert similar to the terrain found on Mars to test their homebuilt rovers.
24 May 2013, 07:00 AM ET
The hardy microbes can withstand temperatures close to those on Mars.
24 May 2013, 07:00 AM ET
A better understanding of exoplanet surfaces would help reveal how common Earth-like planets are in our galaxy.
23 May 2013, 04:06 PM ET
Private companies are interested in setting up lunar bases.
23 May 2013, 10:36 AM ET
Doubts have been growing in China about the legitimacy of Mars One.
22 May 2013, 05:17 PM ET
It would be irresponsible to bring kids into the world on the Red Planet, Bas Lansdorp says.
22 May 2013, 12:11 PM ET
The older cousin of Curiosity discovered a water-weathered rock hinting that Mars could have supported life in its ancient past.
22 May 2013, 05:52 AM ET
Lawmakers questioned NASA's plan to lasso an asteroid for astronauts to visit.