ScienceESA sets date for Rosetta's Philae landing, still optimistic despite challenges The Rosetta mission will attempt to land on Comet 67P/Churyumov-Gerasimenko on Nov. 12, the ESA says. The agency is hopeful about the mission, although there are numerous challenges in its way.by Rebecca Kaplan
ScienceDiscovery of Neptune-size exoplanet with clear skies and water excites astronomersby Rhodi Lee
ScienceSpace elevator will be reality in 2050, promises Japanese construction firm Obayashiby Sumit Passary