Planetary Science
- 			 Planetary Science Planetary ScienceLife-friendly environment confirmed on MarsDrill sample from bedrock reveals chemistry that could have supported microbial life. By Andrew Grant
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- 			 Planetary Science Planetary ScienceMeteor explodes over RussiaThe object is unrelated to February 15 asteroid flyby, experts say. By Andrew Grant
- 			 Planetary Science Planetary ScienceCuriosity goes to MarsNASA’s rover looks for life-friendly environments. By Nadia Drake
- 			 Planetary Science Planetary ScienceViolent past revealed by map of moon’s interiorA gravity survey by twin orbiters reveals how much the lunar surface was pummeled by meteorite impacts early in its history. 
- 			 Planetary Science Planetary ScienceMars rover deploys final instrumentSoil analysis finds organic compounds of uncertain origin. 
- 			 Planetary Science Planetary ScienceDigging deep into Martian soilNASA's rover takes a closer look at Mars' surface. By Nadia Drake
- 			 Humans HumansThe man behind Sarcastic RoverNASA’s newest rover, Curiosity, wasn’t alone on Mars for long. By Nadia Drake
- 			 Planetary Science Planetary ScienceScientists probe fresh Martian meteoriteRock holds clues to Red Planet’s atmosphere and surface conditions. By Tanya Lewis
- 			 Planetary Science Planetary ScienceMars clays may have volcanic sourceDeposits didn’t need flowing water to form, new research suggests. By Erin Wayman
- 			 Planetary Science Planetary SciencePlanetary PeekabooAstronomers aren’t playing games when it comes to spotting an exoEarth. By Nadia Drake
- 			 Planetary Science Planetary ScienceVoyager chasing solar system’s edgeOn the 35th anniversary of the spacecraft’s launch, scientists ponder when it will move beyond the sun’s reach. By Nadia Drake