ScienceMystery of the World Trade Center ship solved thanks to tree rings Colonial-era ship found at World Trade Center site built in Philadelphia around 1773, experts say. Wood used was the same kind found in that city's historic Independence Hall.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