Find out how robots are viewed as machines that perform tasks that humans can't (or won't) undertake. [4:26]

This NASA video showcases Curiosity, NASA's Mars rover that will, over a 23-month mission, collect and analyze Martian soil and rock samples while traversing a targeted area of the planet testing for evidence of current or past life. [1:59]

This DragonflyTV segment introduces NASA roboticist Dr. Ayanna Howard. Her job is to use artificial intelligence (AI) to build robots that can travel into space and other hazardous locations. In this segment, she discusses her work on a...