ScienceMysterious rock appearance next to slumbering Mars rover Opportunity leaves scientists scurrying for answers A small rock, dubbed Pinnacle Island, that suddenly appeared in front of the rover Opportunity in Mars, has surprised scientists, but they have a working theory on how it got there.by Maryanne Moll
ScienceMysterious ocean bubbles play important role in supporting life, say scientistsby Maryanne Moll
ScienceT. rex skeleton heading for Smithsonian museum but you may not see it for 5 yearsby Alex Saltarin