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ScienceCrater on Mars once held a 'here today, gone tomorrow' lake of water, scientists sayby Jim Algar
ScienceNASA readies Low-Density Supersonic Decelerator flying saucer for future Mars, asteroid missionsby Alexander Saltarin
ScienceCuriosity arrives at next destination on Mars: What's that strange light? Aliens?by James Maynard
ScienceEvidence of explosive volcanic activity on Mercury a surprise, may shed light on how the planet formedby Jim Algar
ScienceNASA says new satellite will measure CO2 emission levels, help humans deal with climate changeby Jim Algar