The U.S. space agency NASA heralded relevance again this year, thanks to a picture-perfect landing of the Curiosity rover on Mars, and a not-so-nerdy flight director who caught the attention of the world. (Brian van der Brug/Los Angeles Times-POOL)
Year in Review 2012: Astronomical Wonders
Once-in-a-lifetime astronomical events and monumental scientific achievements drove people to look to the skies and online on Yahoo! throughout 2012.