ScienceMartian rover Opportunity gets spring cleaning, snaps a 'selfie' of its shadow If Mars rover Opportunity had a voice, it would probably be singing "Sunshine on my shoulder makes me happy." The NASA rover has taken a selfie even as wind and sun pat its back.by Jim Algar
ScienceMethane-producing microbes responsible for mass extinction 252 million years agoby Alexander Saltarin
ScienceCosmos: Neil deGrasse uses 'Sky Full of Ghosts' episode to debunk creationismby Alexander Saltarin