ScienceMars rover Opportunity makes record-breaking drive NASA rover on Mars breaks the distance-driving record for any vehicle on another world. Opportunity rover racks up 25 miles, beating previous Russian record.by Jim Algar
ScienceResearchers try out Mars living conditions in mock Red Planet on Hawaiian volcanoby Dianne Depra
ScienceCassini spots at least 101 geysers on Saturn moon: Is Enceladus harboring alien lifeform?by James Maynard
ScienceOrigin of 18th century ship found in debris of World Trade Center finally explainedby James Maynard
ScienceSecond giant crater found in Siberia: Looks neither manmade nor natural, expert saysby Jim Algar