Audit: NASA lost Moon Buggy, other artifacts due to poor policies
NASA could do a better job of tracking its history, federal investigators have found
NASA will keep trying to revive the silent Mars rover Opportunity through January
"NASA will continue its current strategy for attempting to make contact with the Opportunity rover for the foreseeable future"
US Marines want non-lethal laser weapon that shouts at people a kilometer away
The laser could be tuned and scaled to produce a feeling of intense, unbearable heat on human skin without causing lasting harm
